OpenGaussStatementBaseVisitor (shardingsphere-sql-parser-opengauss 5.3.1 API)

java.lang.Object
- org.antlr.v4.runtime.tree.AbstractParseTreeVisitor<T>
- - org.apache.shardingsphere.sql.parser.autogen.OpenGaussStatementBaseVisitor<T>

Type Parameters:

T - The return type of the visit operation. Use Void for operations with no return type.

All Implemented Interfaces:

org.antlr.v4.runtime.tree.ParseTreeVisitor<T>, OpenGaussStatementVisitor<T>

Direct Known Subclasses:

OpenGaussStatementSQLVisitor
```
public class OpenGaussStatementBaseVisitor<T>
extends org.antlr.v4.runtime.tree.AbstractParseTreeVisitor<T>
implements OpenGaussStatementVisitor<T>
```
This class provides an empty implementation of OpenGaussStatementVisitor, which can be extended to create a visitor which only needs to handle a subset of the available methods.

Constructor Summary

Constructors
Constructor and Description

OpenGaussStatementBaseVisitor()

Constructors
Constructor and Description
`OpenGaussStatementBaseVisitor()`

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method and Description
`T`	`visitAbort(OpenGaussStatementParser.AbortContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.abort()`.
`T`	`visitAbsoluteCount(OpenGaussStatementParser.AbsoluteCountContext ctx)` Visit a parse tree produced by the `absoluteCount` labeled alternative in `OpenGaussStatementParser.direction()`.
`T`	`visitAccessMethod(OpenGaussStatementParser.AccessMethodContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.accessMethod()`.
`T`	`visitAccessMethodClause(OpenGaussStatementParser.AccessMethodClauseContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.accessMethodClause()`.
`T`	`visitAction(OpenGaussStatementParser.ActionContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.action()`.
`T`	`visitAddColumnSpecification(OpenGaussStatementParser.AddColumnSpecificationContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.addColumnSpecification()`.
`T`	`visitAddConstraintSpecification(OpenGaussStatementParser.AddConstraintSpecificationContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.addConstraintSpecification()`.
`T`	`visitAExpr(OpenGaussStatementParser.AExprContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.aExpr()`.
`T`	`visitAexprConst(OpenGaussStatementParser.AexprConstContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.aexprConst()`.
`T`	`visitAggrArg(OpenGaussStatementParser.AggrArgContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.aggrArg()`.
`T`	`visitAggrArgs(OpenGaussStatementParser.AggrArgsContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.aggrArgs()`.
`T`	`visitAggrArgsList(OpenGaussStatementParser.AggrArgsListContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.aggrArgsList()`.
`T`	`visitAggregateSignature(OpenGaussStatementParser.AggregateSignatureContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.aggregateSignature()`.
`T`	`visitAggregateWithArgtypes(OpenGaussStatementParser.AggregateWithArgtypesContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.aggregateWithArgtypes()`.
`T`	`visitAggregateWithArgtypesList(OpenGaussStatementParser.AggregateWithArgtypesListContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.aggregateWithArgtypesList()`.
`T`	`visitAlias(OpenGaussStatementParser.AliasContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.alias()`.
`T`	`visitAliasClause(OpenGaussStatementParser.AliasClauseContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.aliasClause()`.
`T`	`visitAll(OpenGaussStatementParser.AllContext ctx)` Visit a parse tree produced by the `all` labeled alternative in `OpenGaussStatementParser.direction()`.
`T`	`visitAllOp(OpenGaussStatementParser.AllOpContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.allOp()`.
`T`	`visitAllOrDistinct(OpenGaussStatementParser.AllOrDistinctContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.allOrDistinct()`.
`T`	`visitAlterAggregate(OpenGaussStatementParser.AlterAggregateContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.alterAggregate()`.
`T`	`visitAlterAggregateDefinitionClause(OpenGaussStatementParser.AlterAggregateDefinitionClauseContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.alterAggregateDefinitionClause()`.
`T`	`visitAlterCollation(OpenGaussStatementParser.AlterCollationContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.alterCollation()`.
`T`	`visitAlterCollationClause(OpenGaussStatementParser.AlterCollationClauseContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.alterCollationClause()`.
`T`	`visitAlterColumnDefault(OpenGaussStatementParser.AlterColumnDefaultContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.alterColumnDefault()`.
`T`	`visitAlterColumnSetOption(OpenGaussStatementParser.AlterColumnSetOptionContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.alterColumnSetOption()`.
`T`	`visitAlterConversion(OpenGaussStatementParser.AlterConversionContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.alterConversion()`.
`T`	`visitAlterConversionClause(OpenGaussStatementParser.AlterConversionClauseContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.alterConversionClause()`.
`T`	`visitAlterDatabase(OpenGaussStatementParser.AlterDatabaseContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.alterDatabase()`.
`T`	`visitAlterDatabaseClause(OpenGaussStatementParser.AlterDatabaseClauseContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.alterDatabaseClause()`.
`T`	`visitAlterDefaultPrivileges(OpenGaussStatementParser.AlterDefaultPrivilegesContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.alterDefaultPrivileges()`.
`T`	`visitAlterDefinitionClause(OpenGaussStatementParser.AlterDefinitionClauseContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.alterDefinitionClause()`.
`T`	`visitAlterDirectory(OpenGaussStatementParser.AlterDirectoryContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.alterDirectory()`.
`T`	`visitAlterDomain(OpenGaussStatementParser.AlterDomainContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.alterDomain()`.
`T`	`visitAlterDomainClause(OpenGaussStatementParser.AlterDomainClauseContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.alterDomainClause()`.
`T`	`visitAlterEventTrigger(OpenGaussStatementParser.AlterEventTriggerContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.alterEventTrigger()`.
`T`	`visitAlterEventTriggerClause(OpenGaussStatementParser.AlterEventTriggerClauseContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.alterEventTriggerClause()`.
`T`	`visitAlterExtension(OpenGaussStatementParser.AlterExtensionContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.alterExtension()`.
`T`	`visitAlterExtensionClauses(OpenGaussStatementParser.AlterExtensionClausesContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.alterExtensionClauses()`.
`T`	`visitAlterExtensionOptItem(OpenGaussStatementParser.AlterExtensionOptItemContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.alterExtensionOptItem()`.
`T`	`visitAlterExtensionOptList(OpenGaussStatementParser.AlterExtensionOptListContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.alterExtensionOptList()`.
`T`	`visitAlterForeignDataWrapper(OpenGaussStatementParser.AlterForeignDataWrapperContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.alterForeignDataWrapper()`.
`T`	`visitAlterForeignDataWrapperClauses(OpenGaussStatementParser.AlterForeignDataWrapperClausesContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.alterForeignDataWrapperClauses()`.
`T`	`visitAlterForeignTable(OpenGaussStatementParser.AlterForeignTableContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.alterForeignTable()`.
`T`	`visitAlterForeignTableClauses(OpenGaussStatementParser.AlterForeignTableClausesContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.alterForeignTableClauses()`.
`T`	`visitAlterfuncOptList(OpenGaussStatementParser.AlterfuncOptListContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.alterfuncOptList()`.
`T`	`visitAlterFunction(OpenGaussStatementParser.AlterFunctionContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.alterFunction()`.
`T`	`visitAlterFunctionClauses(OpenGaussStatementParser.AlterFunctionClausesContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.alterFunctionClauses()`.
`T`	`visitAlterGenericOptionElem(OpenGaussStatementParser.AlterGenericOptionElemContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.alterGenericOptionElem()`.
`T`	`visitAlterGenericOptionList(OpenGaussStatementParser.AlterGenericOptionListContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.alterGenericOptionList()`.
`T`	`visitAlterGenericOptions(OpenGaussStatementParser.AlterGenericOptionsContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.alterGenericOptions()`.
`T`	`visitAlterGroup(OpenGaussStatementParser.AlterGroupContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.alterGroup()`.
`T`	`visitAlterGroupClauses(OpenGaussStatementParser.AlterGroupClausesContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.alterGroupClauses()`.
`T`	`visitAlterIdentityColumnOption(OpenGaussStatementParser.AlterIdentityColumnOptionContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.alterIdentityColumnOption()`.
`T`	`visitAlterIdentityColumnOptionList(OpenGaussStatementParser.AlterIdentityColumnOptionListContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.alterIdentityColumnOptionList()`.
`T`	`visitAlterIndex(OpenGaussStatementParser.AlterIndexContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.alterIndex()`.
`T`	`visitAlterIndexDefinitionClause(OpenGaussStatementParser.AlterIndexDefinitionClauseContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.alterIndexDefinitionClause()`.
`T`	`visitAlterIndexDependsOnExtension(OpenGaussStatementParser.AlterIndexDependsOnExtensionContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.alterIndexDependsOnExtension()`.
`T`	`visitAlterIndexSetTableSpace(OpenGaussStatementParser.AlterIndexSetTableSpaceContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.alterIndexSetTableSpace()`.
`T`	`visitAlterLanguage(OpenGaussStatementParser.AlterLanguageContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.alterLanguage()`.
`T`	`visitAlterLargeObject(OpenGaussStatementParser.AlterLargeObjectContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.alterLargeObject()`.
`T`	`visitAlterMaterializedView(OpenGaussStatementParser.AlterMaterializedViewContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.alterMaterializedView()`.
`T`	`visitAlterMaterializedViewClauses(OpenGaussStatementParser.AlterMaterializedViewClausesContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.alterMaterializedViewClauses()`.
`T`	`visitAlterOperator(OpenGaussStatementParser.AlterOperatorContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.alterOperator()`.
`T`	`visitAlterOperatorClass(OpenGaussStatementParser.AlterOperatorClassContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.alterOperatorClass()`.
`T`	`visitAlterOperatorClassClauses(OpenGaussStatementParser.AlterOperatorClassClausesContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.alterOperatorClassClauses()`.
`T`	`visitAlterOperatorClauses(OpenGaussStatementParser.AlterOperatorClausesContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.alterOperatorClauses()`.
`T`	`visitAlterOperatorFamily(OpenGaussStatementParser.AlterOperatorFamilyContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.alterOperatorFamily()`.
`T`	`visitAlterOperatorFamilyClauses(OpenGaussStatementParser.AlterOperatorFamilyClausesContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.alterOperatorFamilyClauses()`.
`T`	`visitAlterOptRoleElem(OpenGaussStatementParser.AlterOptRoleElemContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.alterOptRoleElem()`.
`T`	`visitAlterOptRoleList(OpenGaussStatementParser.AlterOptRoleListContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.alterOptRoleList()`.
`T`	`visitAlterPackage(OpenGaussStatementParser.AlterPackageContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.alterPackage()`.
`T`	`visitAlterPolicy(OpenGaussStatementParser.AlterPolicyContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.alterPolicy()`.
`T`	`visitAlterPolicyClauses(OpenGaussStatementParser.AlterPolicyClausesContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.alterPolicyClauses()`.
`T`	`visitAlterProcedure(OpenGaussStatementParser.AlterProcedureContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.alterProcedure()`.
`T`	`visitAlterProcedureClauses(OpenGaussStatementParser.AlterProcedureClausesContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.alterProcedureClauses()`.
`T`	`visitAlterPublication(OpenGaussStatementParser.AlterPublicationContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.alterPublication()`.
`T`	`visitAlterRenameColumn(OpenGaussStatementParser.AlterRenameColumnContext ctx)` Visit a parse tree produced by the `alterRenameColumn` labeled alternative in `OpenGaussStatementParser.alterViewClauses()`.
`T`	`visitAlterRenameView(OpenGaussStatementParser.AlterRenameViewContext ctx)` Visit a parse tree produced by the `alterRenameView` labeled alternative in `OpenGaussStatementParser.alterViewClauses()`.
`T`	`visitAlterRole(OpenGaussStatementParser.AlterRoleContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.alterRole()`.
`T`	`visitAlterRoutine(OpenGaussStatementParser.AlterRoutineContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.alterRoutine()`.
`T`	`visitAlterRule(OpenGaussStatementParser.AlterRuleContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.alterRule()`.
`T`	`visitAlterSchema(OpenGaussStatementParser.AlterSchemaContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.alterSchema()`.
`T`	`visitAlterSequence(OpenGaussStatementParser.AlterSequenceContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.alterSequence()`.
`T`	`visitAlterSequenceClauses(OpenGaussStatementParser.AlterSequenceClausesContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.alterSequenceClauses()`.
`T`	`visitAlterServer(OpenGaussStatementParser.AlterServerContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.alterServer()`.
`T`	`visitAlterSetSchema(OpenGaussStatementParser.AlterSetSchemaContext ctx)` Visit a parse tree produced by the `alterSetSchema` labeled alternative in `OpenGaussStatementParser.alterViewClauses()`.
`T`	`visitAlterStatistics(OpenGaussStatementParser.AlterStatisticsContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.alterStatistics()`.
`T`	`visitAlterSubscription(OpenGaussStatementParser.AlterSubscriptionContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.alterSubscription()`.
`T`	`visitAlterSynonym(OpenGaussStatementParser.AlterSynonymContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.alterSynonym()`.
`T`	`visitAlterSystem(OpenGaussStatementParser.AlterSystemContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.alterSystem()`.
`T`	`visitAlterTable(OpenGaussStatementParser.AlterTableContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.alterTable()`.
`T`	`visitAlterTableAction(OpenGaussStatementParser.AlterTableActionContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.alterTableAction()`.
`T`	`visitAlterTableActions(OpenGaussStatementParser.AlterTableActionsContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.alterTableActions()`.
`T`	`visitAlterTableCmd(OpenGaussStatementParser.AlterTableCmdContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.alterTableCmd()`.
`T`	`visitAlterTableCmds(OpenGaussStatementParser.AlterTableCmdsContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.alterTableCmds()`.
`T`	`visitAlterTablespace(OpenGaussStatementParser.AlterTablespaceContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.alterTablespace()`.
`T`	`visitAlterTextSearchConfiguration(OpenGaussStatementParser.AlterTextSearchConfigurationContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.alterTextSearchConfiguration()`.
`T`	`visitAlterTextSearchConfigurationClauses(OpenGaussStatementParser.AlterTextSearchConfigurationClausesContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.alterTextSearchConfigurationClauses()`.
`T`	`visitAlterTextSearchDictionary(OpenGaussStatementParser.AlterTextSearchDictionaryContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.alterTextSearchDictionary()`.
`T`	`visitAlterTextSearchParser(OpenGaussStatementParser.AlterTextSearchParserContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.alterTextSearchParser()`.
`T`	`visitAlterTextSearchTemplate(OpenGaussStatementParser.AlterTextSearchTemplateContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.alterTextSearchTemplate()`.
`T`	`visitAlterTrigger(OpenGaussStatementParser.AlterTriggerContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.alterTrigger()`.
`T`	`visitAlterType(OpenGaussStatementParser.AlterTypeContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.alterType()`.
`T`	`visitAlterTypeClauses(OpenGaussStatementParser.AlterTypeClausesContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.alterTypeClauses()`.
`T`	`visitAlterTypeCmd(OpenGaussStatementParser.AlterTypeCmdContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.alterTypeCmd()`.
`T`	`visitAlterTypeCmds(OpenGaussStatementParser.AlterTypeCmdsContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.alterTypeCmds()`.
`T`	`visitAlterUser(OpenGaussStatementParser.AlterUserContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.alterUser()`.
`T`	`visitAlterUserClauses(OpenGaussStatementParser.AlterUserClausesContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.alterUserClauses()`.
`T`	`visitAlterUserMapping(OpenGaussStatementParser.AlterUserMappingContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.alterUserMapping()`.
`T`	`visitAlterUsing(OpenGaussStatementParser.AlterUsingContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.alterUsing()`.
`T`	`visitAlterView(OpenGaussStatementParser.AlterViewContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.alterView()`.
`T`	`visitAlterViewCmds(OpenGaussStatementParser.AlterViewCmdsContext ctx)` Visit a parse tree produced by the `alterViewCmds` labeled alternative in `OpenGaussStatementParser.alterViewClauses()`.
`T`	`visitAnalyzeKeyword(OpenGaussStatementParser.AnalyzeKeywordContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.analyzeKeyword()`.
`T`	`visitAnalyzeTable(OpenGaussStatementParser.AnalyzeTableContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.analyzeTable()`.
`T`	`visitAndOperator(OpenGaussStatementParser.AndOperatorContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.andOperator()`.
`T`	`visitAnyName(OpenGaussStatementParser.AnyNameContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.anyName()`.
`T`	`visitAnyNameList(OpenGaussStatementParser.AnyNameListContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.anyNameList()`.
`T`	`visitAnyOperator(OpenGaussStatementParser.AnyOperatorContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.anyOperator()`.
`T`	`visitArgClass(OpenGaussStatementParser.ArgClassContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.argClass()`.
`T`	`visitArrayExpr(OpenGaussStatementParser.ArrayExprContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.arrayExpr()`.
`T`	`visitArrayExprList(OpenGaussStatementParser.ArrayExprListContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.arrayExprList()`.
`T`	`visitAscDesc(OpenGaussStatementParser.AscDescContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.ascDesc()`.
`T`	`visitAssignment(OpenGaussStatementParser.AssignmentContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.assignment()`.
`T`	`visitAsteriskClause(OpenGaussStatementParser.AsteriskClauseContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.asteriskClause()`.
`T`	`visitAttributeOption(OpenGaussStatementParser.AttributeOptionContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.attributeOption()`.
`T`	`visitAttributeOptions(OpenGaussStatementParser.AttributeOptionsContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.attributeOptions()`.
`T`	`visitAttrName(OpenGaussStatementParser.AttrNameContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.attrName()`.
`T`	`visitAttrs(OpenGaussStatementParser.AttrsContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.attrs()`.
`T`	`visitAuthIdent(OpenGaussStatementParser.AuthIdentContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.authIdent()`.
`T`	`visitBackward(OpenGaussStatementParser.BackwardContext ctx)` Visit a parse tree produced by the `backward` labeled alternative in `OpenGaussStatementParser.direction()`.
`T`	`visitBackwardAll(OpenGaussStatementParser.BackwardAllContext ctx)` Visit a parse tree produced by the `backwardAll` labeled alternative in `OpenGaussStatementParser.direction()`.
`T`	`visitBackwardCount(OpenGaussStatementParser.BackwardCountContext ctx)` Visit a parse tree produced by the `backwardCount` labeled alternative in `OpenGaussStatementParser.direction()`.
`T`	`visitBeginTransaction(OpenGaussStatementParser.BeginTransactionContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.beginTransaction()`.
`T`	`visitBExpr(OpenGaussStatementParser.BExprContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.bExpr()`.
`T`	`visitBit(OpenGaussStatementParser.BitContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.bit()`.
`T`	`visitBitWithLength(OpenGaussStatementParser.BitWithLengthContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.bitWithLength()`.
`T`	`visitBitWithoutLength(OpenGaussStatementParser.BitWithoutLengthContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.bitWithoutLength()`.
`T`	`visitBooleanOrString(OpenGaussStatementParser.BooleanOrStringContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.booleanOrString()`.
`T`	`visitCall(OpenGaussStatementParser.CallContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.call()`.
`T`	`visitCallClauses(OpenGaussStatementParser.CallClausesContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.callClauses()`.
`T`	`visitCaseArg(OpenGaussStatementParser.CaseArgContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.caseArg()`.
`T`	`visitCaseDefault(OpenGaussStatementParser.CaseDefaultContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.caseDefault()`.
`T`	`visitCaseExpr(OpenGaussStatementParser.CaseExprContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.caseExpr()`.
`T`	`visitCastContext(OpenGaussStatementParser.CastContextContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.castContext()`.
`T`	`visitCExpr(OpenGaussStatementParser.CExprContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.cExpr()`.
`T`	`visitCharacter(OpenGaussStatementParser.CharacterContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.character()`.
`T`	`visitCharacterClause(OpenGaussStatementParser.CharacterClauseContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.characterClause()`.
`T`	`visitCharacterSet(OpenGaussStatementParser.CharacterSetContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.characterSet()`.
`T`	`visitCharacterWithLength(OpenGaussStatementParser.CharacterWithLengthContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.characterWithLength()`.
`T`	`visitCharacterWithoutLength(OpenGaussStatementParser.CharacterWithoutLengthContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.characterWithoutLength()`.
`T`	`visitCheckOption(OpenGaussStatementParser.CheckOptionContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.checkOption()`.
`T`	`visitCheckpoint(OpenGaussStatementParser.CheckpointContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.checkpoint()`.
`T`	`visitClose(OpenGaussStatementParser.CloseContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.close()`.
`T`	`visitCluster(OpenGaussStatementParser.ClusterContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.cluster()`.
`T`	`visitClusterIndexSpecification(OpenGaussStatementParser.ClusterIndexSpecificationContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.clusterIndexSpecification()`.
`T`	`visitColConstraint(OpenGaussStatementParser.ColConstraintContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.colConstraint()`.
`T`	`visitColConstraintElem(OpenGaussStatementParser.ColConstraintElemContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.colConstraintElem()`.
`T`	`visitColId(OpenGaussStatementParser.ColIdContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.colId()`.
`T`	`visitColLabel(OpenGaussStatementParser.ColLabelContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.colLabel()`.
`T`	`visitColLable(OpenGaussStatementParser.ColLableContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.colLable()`.
`T`	`visitCollate(OpenGaussStatementParser.CollateContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.collate()`.
`T`	`visitCollateClause(OpenGaussStatementParser.CollateClauseContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.collateClause()`.
`T`	`visitCollationName(OpenGaussStatementParser.CollationNameContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.collationName()`.
`T`	`visitColNameKeyword(OpenGaussStatementParser.ColNameKeywordContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.colNameKeyword()`.
`T`	`visitColQualList(OpenGaussStatementParser.ColQualListContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.colQualList()`.
`T`	`visitColumnConstraint(OpenGaussStatementParser.ColumnConstraintContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.columnConstraint()`.
`T`	`visitColumnConstraintOption(OpenGaussStatementParser.ColumnConstraintOptionContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.columnConstraintOption()`.
`T`	`visitColumnDef(OpenGaussStatementParser.ColumnDefContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.columnDef()`.
`T`	`visitColumnDefinition(OpenGaussStatementParser.ColumnDefinitionContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.columnDefinition()`.
`T`	`visitColumnDefList(OpenGaussStatementParser.ColumnDefListContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.columnDefList()`.
`T`	`visitColumnElem(OpenGaussStatementParser.ColumnElemContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.columnElem()`.
`T`	`visitColumnList(OpenGaussStatementParser.ColumnListContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.columnList()`.
`T`	`visitColumnName(OpenGaussStatementParser.ColumnNameContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.columnName()`.
`T`	`visitColumnNames(OpenGaussStatementParser.ColumnNamesContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.columnNames()`.
`T`	`visitColumnOptions(OpenGaussStatementParser.ColumnOptionsContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.columnOptions()`.
`T`	`visitColumnref(OpenGaussStatementParser.ColumnrefContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.columnref()`.
`T`	`visitComment(OpenGaussStatementParser.CommentContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.comment()`.
`T`	`visitCommentClauses(OpenGaussStatementParser.CommentClausesContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.commentClauses()`.
`T`	`visitCommentText(OpenGaussStatementParser.CommentTextContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.commentText()`.
`T`	`visitCommit(OpenGaussStatementParser.CommitContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.commit()`.
`T`	`visitCommitPrepared(OpenGaussStatementParser.CommitPreparedContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.commitPrepared()`.
`T`	`visitCommonFuncOptItem(OpenGaussStatementParser.CommonFuncOptItemContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.commonFuncOptItem()`.
`T`	`visitCommonTableExpr(OpenGaussStatementParser.CommonTableExprContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.commonTableExpr()`.
`T`	`visitComparisonOperator(OpenGaussStatementParser.ComparisonOperatorContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.comparisonOperator()`.
`T`	`visitConcurrentlyClause(OpenGaussStatementParser.ConcurrentlyClauseContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.concurrentlyClause()`.
`T`	`visitConfigurationParameterClause(OpenGaussStatementParser.ConfigurationParameterClauseContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.configurationParameterClause()`.
`T`	`visitConsTableSpace(OpenGaussStatementParser.ConsTableSpaceContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.consTableSpace()`.
`T`	`visitConstDatetime(OpenGaussStatementParser.ConstDatetimeContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.constDatetime()`.
`T`	`visitConstInterval(OpenGaussStatementParser.ConstIntervalContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.constInterval()`.
`T`	`visitConstraintAttr(OpenGaussStatementParser.ConstraintAttrContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.constraintAttr()`.
`T`	`visitConstraintAttributeElem(OpenGaussStatementParser.ConstraintAttributeElemContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.constraintAttributeElem()`.
`T`	`visitConstraintAttributeSpec(OpenGaussStatementParser.ConstraintAttributeSpecContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.constraintAttributeSpec()`.
`T`	`visitConstraintClause(OpenGaussStatementParser.ConstraintClauseContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.constraintClause()`.
`T`	`visitConstraintName(OpenGaussStatementParser.ConstraintNameContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.constraintName()`.
`T`	`visitConstraintOptionalParam(OpenGaussStatementParser.ConstraintOptionalParamContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.constraintOptionalParam()`.
`T`	`visitConstraintsSetList(OpenGaussStatementParser.ConstraintsSetListContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.constraintsSetList()`.
`T`	`visitConstraintsSetMode(OpenGaussStatementParser.ConstraintsSetModeContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.constraintsSetMode()`.
`T`	`visitCopy(OpenGaussStatementParser.CopyContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.copy()`.
`T`	`visitCopyDelimiter(OpenGaussStatementParser.CopyDelimiterContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.copyDelimiter()`.
`T`	`visitCopyGenericOptArg(OpenGaussStatementParser.CopyGenericOptArgContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.copyGenericOptArg()`.
`T`	`visitCopyGenericOptArgList(OpenGaussStatementParser.CopyGenericOptArgListContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.copyGenericOptArgList()`.
`T`	`visitCopyGenericOptArgListItem(OpenGaussStatementParser.CopyGenericOptArgListItemContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.copyGenericOptArgListItem()`.
`T`	`visitCopyGenericOptElem(OpenGaussStatementParser.CopyGenericOptElemContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.copyGenericOptElem()`.
`T`	`visitCopyGenericOptList(OpenGaussStatementParser.CopyGenericOptListContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.copyGenericOptList()`.
`T`	`visitCopyOptions(OpenGaussStatementParser.CopyOptionsContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.copyOptions()`.
`T`	`visitCopyOptItem(OpenGaussStatementParser.CopyOptItemContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.copyOptItem()`.
`T`	`visitCopyOptList(OpenGaussStatementParser.CopyOptListContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.copyOptList()`.
`T`	`visitCount(OpenGaussStatementParser.CountContext ctx)` Visit a parse tree produced by the `count` labeled alternative in `OpenGaussStatementParser.direction()`.
`T`	`visitCreateAccessMethod(OpenGaussStatementParser.CreateAccessMethodContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.createAccessMethod()`.
`T`	`visitCreateAggregate(OpenGaussStatementParser.CreateAggregateContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.createAggregate()`.
`T`	`visitCreateCast(OpenGaussStatementParser.CreateCastContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.createCast()`.
`T`	`visitCreateCollation(OpenGaussStatementParser.CreateCollationContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.createCollation()`.
`T`	`visitCreateConversion(OpenGaussStatementParser.CreateConversionContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.createConversion()`.
`T`	`visitCreateDatabase(OpenGaussStatementParser.CreateDatabaseContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.createDatabase()`.
`T`	`visitCreateDatabaseSpecification(OpenGaussStatementParser.CreateDatabaseSpecificationContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.createDatabaseSpecification()`.
`T`	`visitCreatedbOptItem(OpenGaussStatementParser.CreatedbOptItemContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.createdbOptItem()`.
`T`	`visitCreatedbOptItems(OpenGaussStatementParser.CreatedbOptItemsContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.createdbOptItems()`.
`T`	`visitCreatedbOptName(OpenGaussStatementParser.CreatedbOptNameContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.createdbOptName()`.
`T`	`visitCreateDefinition(OpenGaussStatementParser.CreateDefinitionContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.createDefinition()`.
`T`	`visitCreateDefinitionClause(OpenGaussStatementParser.CreateDefinitionClauseContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.createDefinitionClause()`.
`T`	`visitCreateDirectory(OpenGaussStatementParser.CreateDirectoryContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.createDirectory()`.
`T`	`visitCreateDomain(OpenGaussStatementParser.CreateDomainContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.createDomain()`.
`T`	`visitCreateEventTrigger(OpenGaussStatementParser.CreateEventTriggerContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.createEventTrigger()`.
`T`	`visitCreateExtension(OpenGaussStatementParser.CreateExtensionContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.createExtension()`.
`T`	`visitCreateExtensionOptItem(OpenGaussStatementParser.CreateExtensionOptItemContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.createExtensionOptItem()`.
`T`	`visitCreateExtensionOptList(OpenGaussStatementParser.CreateExtensionOptListContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.createExtensionOptList()`.
`T`	`visitCreateForeignDataWrapper(OpenGaussStatementParser.CreateForeignDataWrapperContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.createForeignDataWrapper()`.
`T`	`visitCreateForeignTable(OpenGaussStatementParser.CreateForeignTableContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.createForeignTable()`.
`T`	`visitCreateForeignTableClauses(OpenGaussStatementParser.CreateForeignTableClausesContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.createForeignTableClauses()`.
`T`	`visitCreatefuncOptItem(OpenGaussStatementParser.CreatefuncOptItemContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.createfuncOptItem()`.
`T`	`visitCreatefuncOptList(OpenGaussStatementParser.CreatefuncOptListContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.createfuncOptList()`.
`T`	`visitCreateFunction(OpenGaussStatementParser.CreateFunctionContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.createFunction()`.
`T`	`visitCreateGenericOptions(OpenGaussStatementParser.CreateGenericOptionsContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.createGenericOptions()`.
`T`	`visitCreateGroup(OpenGaussStatementParser.CreateGroupContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.createGroup()`.
`T`	`visitCreateIndex(OpenGaussStatementParser.CreateIndexContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.createIndex()`.
`T`	`visitCreateIndexSpecification(OpenGaussStatementParser.CreateIndexSpecificationContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.createIndexSpecification()`.
`T`	`visitCreateLanguage(OpenGaussStatementParser.CreateLanguageContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.createLanguage()`.
`T`	`visitCreateMaterializedView(OpenGaussStatementParser.CreateMaterializedViewContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.createMaterializedView()`.
`T`	`visitCreateMvTarget(OpenGaussStatementParser.CreateMvTargetContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.createMvTarget()`.
`T`	`visitCreateOperator(OpenGaussStatementParser.CreateOperatorContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.createOperator()`.
`T`	`visitCreateOperatorClass(OpenGaussStatementParser.CreateOperatorClassContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.createOperatorClass()`.
`T`	`visitCreateOperatorFamily(OpenGaussStatementParser.CreateOperatorFamilyContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.createOperatorFamily()`.
`T`	`visitCreateOptRoleElem(OpenGaussStatementParser.CreateOptRoleElemContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.createOptRoleElem()`.
`T`	`visitCreatePolicy(OpenGaussStatementParser.CreatePolicyContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.createPolicy()`.
`T`	`visitCreateProcedure(OpenGaussStatementParser.CreateProcedureContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.createProcedure()`.
`T`	`visitCreatePublication(OpenGaussStatementParser.CreatePublicationContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.createPublication()`.
`T`	`visitCreateRole(OpenGaussStatementParser.CreateRoleContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.createRole()`.
`T`	`visitCreateRule(OpenGaussStatementParser.CreateRuleContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.createRule()`.
`T`	`visitCreateSchema(OpenGaussStatementParser.CreateSchemaContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.createSchema()`.
`T`	`visitCreateSchemaClauses(OpenGaussStatementParser.CreateSchemaClausesContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.createSchemaClauses()`.
`T`	`visitCreateSequence(OpenGaussStatementParser.CreateSequenceContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.createSequence()`.
`T`	`visitCreateServer(OpenGaussStatementParser.CreateServerContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.createServer()`.
`T`	`visitCreateStatistics(OpenGaussStatementParser.CreateStatisticsContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.createStatistics()`.
`T`	`visitCreateSubscription(OpenGaussStatementParser.CreateSubscriptionContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.createSubscription()`.
`T`	`visitCreateSynonym(OpenGaussStatementParser.CreateSynonymContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.createSynonym()`.
`T`	`visitCreateTable(OpenGaussStatementParser.CreateTableContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.createTable()`.
`T`	`visitCreateTablespace(OpenGaussStatementParser.CreateTablespaceContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.createTablespace()`.
`T`	`visitCreateTableSpecification(OpenGaussStatementParser.CreateTableSpecificationContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.createTableSpecification()`.
`T`	`visitCreateTextSearch(OpenGaussStatementParser.CreateTextSearchContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.createTextSearch()`.
`T`	`visitCreateTransform(OpenGaussStatementParser.CreateTransformContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.createTransform()`.
`T`	`visitCreateTrigger(OpenGaussStatementParser.CreateTriggerContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.createTrigger()`.
`T`	`visitCreateType(OpenGaussStatementParser.CreateTypeContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.createType()`.
`T`	`visitCreateTypeClauses(OpenGaussStatementParser.CreateTypeClausesContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.createTypeClauses()`.
`T`	`visitCreateUser(OpenGaussStatementParser.CreateUserContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.createUser()`.
`T`	`visitCreateUserMapping(OpenGaussStatementParser.CreateUserMappingContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.createUserMapping()`.
`T`	`visitCreateView(OpenGaussStatementParser.CreateViewContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.createView()`.
`T`	`visitCrossJoinType(OpenGaussStatementParser.CrossJoinTypeContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.crossJoinType()`.
`T`	`visitCteList(OpenGaussStatementParser.CteListContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.cteList()`.
`T`	`visitCubeClause(OpenGaussStatementParser.CubeClauseContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.cubeClause()`.
`T`	`visitCursor(OpenGaussStatementParser.CursorContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.cursor()`.
`T`	`visitCursorName(OpenGaussStatementParser.CursorNameContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.cursorName()`.
`T`	`visitCursorOption(OpenGaussStatementParser.CursorOptionContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.cursorOption()`.
`T`	`visitCursorOptions(OpenGaussStatementParser.CursorOptionsContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.cursorOptions()`.
`T`	`visitDatabaseName(OpenGaussStatementParser.DatabaseNameContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.databaseName()`.
`T`	`visitDataType(OpenGaussStatementParser.DataTypeContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.dataType()`.
`T`	`visitDataTypeLength(OpenGaussStatementParser.DataTypeLengthContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.dataTypeLength()`.
`T`	`visitDataTypeName(OpenGaussStatementParser.DataTypeNameContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.dataTypeName()`.
`T`	`visitDeallocate(OpenGaussStatementParser.DeallocateContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.deallocate()`.
`T`	`visitDeclare(OpenGaussStatementParser.DeclareContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.declare()`.
`T`	`visitDefACLAction(OpenGaussStatementParser.DefACLActionContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.defACLAction()`.
`T`	`visitDefACLOption(OpenGaussStatementParser.DefACLOptionContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.defACLOption()`.
`T`	`visitDefACLOptionList(OpenGaussStatementParser.DefACLOptionListContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.defACLOptionList()`.
`T`	`visitDefaclPrivilegeTarget(OpenGaussStatementParser.DefaclPrivilegeTargetContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.defaclPrivilegeTarget()`.
`T`	`visitDefArg(OpenGaussStatementParser.DefArgContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.defArg()`.
`T`	`visitDefaultExpr(OpenGaussStatementParser.DefaultExprContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.defaultExpr()`.
`T`	`visitDefElem(OpenGaussStatementParser.DefElemContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.defElem()`.
`T`	`visitDefinition(OpenGaussStatementParser.DefinitionContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.definition()`.
`T`	`visitDefList(OpenGaussStatementParser.DefListContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.defList()`.
`T`	`visitDelete(OpenGaussStatementParser.DeleteContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.delete()`.
`T`	`visitDirectoryName(OpenGaussStatementParser.DirectoryNameContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.directoryName()`.
`T`	`visitDiscard(OpenGaussStatementParser.DiscardContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.discard()`.
`T`	`visitDistinct(OpenGaussStatementParser.DistinctContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.distinct()`.
`T`	`visitDistinctClause(OpenGaussStatementParser.DistinctClauseContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.distinctClause()`.
`T`	`visitDocumentOrContent(OpenGaussStatementParser.DocumentOrContentContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.documentOrContent()`.
`T`	`visitDoStatement(OpenGaussStatementParser.DoStatementContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.doStatement()`.
`T`	`visitDostmtOptItem(OpenGaussStatementParser.DostmtOptItemContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.dostmtOptItem()`.
`T`	`visitDostmtOptList(OpenGaussStatementParser.DostmtOptListContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.dostmtOptList()`.
`T`	`visitDropAccessMethod(OpenGaussStatementParser.DropAccessMethodContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.dropAccessMethod()`.
`T`	`visitDropAggregate(OpenGaussStatementParser.DropAggregateContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.dropAggregate()`.
`T`	`visitDropBehavior(OpenGaussStatementParser.DropBehaviorContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.dropBehavior()`.
`T`	`visitDropCast(OpenGaussStatementParser.DropCastContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.dropCast()`.
`T`	`visitDropCollation(OpenGaussStatementParser.DropCollationContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.dropCollation()`.
`T`	`visitDropColumnSpecification(OpenGaussStatementParser.DropColumnSpecificationContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.dropColumnSpecification()`.
`T`	`visitDropConstraintSpecification(OpenGaussStatementParser.DropConstraintSpecificationContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.dropConstraintSpecification()`.
`T`	`visitDropConversion(OpenGaussStatementParser.DropConversionContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.dropConversion()`.
`T`	`visitDropDatabase(OpenGaussStatementParser.DropDatabaseContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.dropDatabase()`.
`T`	`visitDropDirectory(OpenGaussStatementParser.DropDirectoryContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.dropDirectory()`.
`T`	`visitDropDomain(OpenGaussStatementParser.DropDomainContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.dropDomain()`.
`T`	`visitDropDroup(OpenGaussStatementParser.DropDroupContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.dropDroup()`.
`T`	`visitDropEventTrigger(OpenGaussStatementParser.DropEventTriggerContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.dropEventTrigger()`.
`T`	`visitDropExtension(OpenGaussStatementParser.DropExtensionContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.dropExtension()`.
`T`	`visitDropForeignDataWrapper(OpenGaussStatementParser.DropForeignDataWrapperContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.dropForeignDataWrapper()`.
`T`	`visitDropForeignTable(OpenGaussStatementParser.DropForeignTableContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.dropForeignTable()`.
`T`	`visitDropFunction(OpenGaussStatementParser.DropFunctionContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.dropFunction()`.
`T`	`visitDropIndex(OpenGaussStatementParser.DropIndexContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.dropIndex()`.
`T`	`visitDropIndexOpt(OpenGaussStatementParser.DropIndexOptContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.dropIndexOpt()`.
`T`	`visitDropLanguage(OpenGaussStatementParser.DropLanguageContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.dropLanguage()`.
`T`	`visitDropMaterializedView(OpenGaussStatementParser.DropMaterializedViewContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.dropMaterializedView()`.
`T`	`visitDropOperator(OpenGaussStatementParser.DropOperatorContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.dropOperator()`.
`T`	`visitDropOperatorClass(OpenGaussStatementParser.DropOperatorClassContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.dropOperatorClass()`.
`T`	`visitDropOperatorFamily(OpenGaussStatementParser.DropOperatorFamilyContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.dropOperatorFamily()`.
`T`	`visitDropOwned(OpenGaussStatementParser.DropOwnedContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.dropOwned()`.
`T`	`visitDropPolicy(OpenGaussStatementParser.DropPolicyContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.dropPolicy()`.
`T`	`visitDropProcedure(OpenGaussStatementParser.DropProcedureContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.dropProcedure()`.
`T`	`visitDropPublication(OpenGaussStatementParser.DropPublicationContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.dropPublication()`.
`T`	`visitDropRole(OpenGaussStatementParser.DropRoleContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.dropRole()`.
`T`	`visitDropRoutine(OpenGaussStatementParser.DropRoutineContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.dropRoutine()`.
`T`	`visitDropRule(OpenGaussStatementParser.DropRuleContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.dropRule()`.
`T`	`visitDropSchema(OpenGaussStatementParser.DropSchemaContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.dropSchema()`.
`T`	`visitDropSequence(OpenGaussStatementParser.DropSequenceContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.dropSequence()`.
`T`	`visitDropServer(OpenGaussStatementParser.DropServerContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.dropServer()`.
`T`	`visitDropStatistics(OpenGaussStatementParser.DropStatisticsContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.dropStatistics()`.
`T`	`visitDropSubscription(OpenGaussStatementParser.DropSubscriptionContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.dropSubscription()`.
`T`	`visitDropSynonym(OpenGaussStatementParser.DropSynonymContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.dropSynonym()`.
`T`	`visitDropTable(OpenGaussStatementParser.DropTableContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.dropTable()`.
`T`	`visitDropTableOpt(OpenGaussStatementParser.DropTableOptContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.dropTableOpt()`.
`T`	`visitDropTablespace(OpenGaussStatementParser.DropTablespaceContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.dropTablespace()`.
`T`	`visitDropTextSearch(OpenGaussStatementParser.DropTextSearchContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.dropTextSearch()`.
`T`	`visitDropTransform(OpenGaussStatementParser.DropTransformContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.dropTransform()`.
`T`	`visitDropTrigger(OpenGaussStatementParser.DropTriggerContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.dropTrigger()`.
`T`	`visitDropType(OpenGaussStatementParser.DropTypeContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.dropType()`.
`T`	`visitDropTypeName(OpenGaussStatementParser.DropTypeNameContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.dropTypeName()`.
`T`	`visitDropUser(OpenGaussStatementParser.DropUserContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.dropUser()`.
`T`	`visitDropUserMapping(OpenGaussStatementParser.DropUserMappingContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.dropUserMapping()`.
`T`	`visitDropView(OpenGaussStatementParser.DropViewContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.dropView()`.
`T`	`visitEmptyGroupingSet(OpenGaussStatementParser.EmptyGroupingSetContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.emptyGroupingSet()`.
`T`	`visitEmptyStatement(OpenGaussStatementParser.EmptyStatementContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.emptyStatement()`.
`T`	`visitEncoding(OpenGaussStatementParser.EncodingContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.encoding()`.
`T`	`visitEnd(OpenGaussStatementParser.EndContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.end()`.
`T`	`visitEnumValList(OpenGaussStatementParser.EnumValListContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.enumValList()`.
`T`	`visitEvent(OpenGaussStatementParser.EventContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.event()`.
`T`	`visitEventTriggerValueList(OpenGaussStatementParser.EventTriggerValueListContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.eventTriggerValueList()`.
`T`	`visitEventTriggerWhenItem(OpenGaussStatementParser.EventTriggerWhenItemContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.eventTriggerWhenItem()`.
`T`	`visitEventTriggerWhenList(OpenGaussStatementParser.EventTriggerWhenListContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.eventTriggerWhenList()`.
`T`	`visitExclusionConstraintElem(OpenGaussStatementParser.ExclusionConstraintElemContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.exclusionConstraintElem()`.
`T`	`visitExclusionConstraintList(OpenGaussStatementParser.ExclusionConstraintListContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.exclusionConstraintList()`.
`T`	`visitExclusionWhereClause(OpenGaussStatementParser.ExclusionWhereClauseContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.exclusionWhereClause()`.
`T`	`visitExecute(OpenGaussStatementParser.ExecuteContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.execute()`.
`T`	`visitExecuteParamClause(OpenGaussStatementParser.ExecuteParamClauseContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.executeParamClause()`.
`T`	`visitExecuteStmt(OpenGaussStatementParser.ExecuteStmtContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.executeStmt()`.
`T`	`visitExistingWindowName(OpenGaussStatementParser.ExistingWindowNameContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.existingWindowName()`.
`T`	`visitExplain(OpenGaussStatementParser.ExplainContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.explain()`.
`T`	`visitExplainableStmt(OpenGaussStatementParser.ExplainableStmtContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.explainableStmt()`.
`T`	`visitExplainOptionArg(OpenGaussStatementParser.ExplainOptionArgContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.explainOptionArg()`.
`T`	`visitExplainOptionElem(OpenGaussStatementParser.ExplainOptionElemContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.explainOptionElem()`.
`T`	`visitExplainOptionList(OpenGaussStatementParser.ExplainOptionListContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.explainOptionList()`.
`T`	`visitExplainOptionName(OpenGaussStatementParser.ExplainOptionNameContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.explainOptionName()`.
`T`	`visitExplicitRow(OpenGaussStatementParser.ExplicitRowContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.explicitRow()`.
`T`	`visitExprList(OpenGaussStatementParser.ExprListContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.exprList()`.
`T`	`visitExtractArg(OpenGaussStatementParser.ExtractArgContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.extractArg()`.
`T`	`visitExtractList(OpenGaussStatementParser.ExtractListContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.extractList()`.
`T`	`visitFdwOption(OpenGaussStatementParser.FdwOptionContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.fdwOption()`.
`T`	`visitFdwOptions(OpenGaussStatementParser.FdwOptionsContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.fdwOptions()`.
`T`	`visitFetch(OpenGaussStatementParser.FetchContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.fetch()`.
`T`	`visitFileName(OpenGaussStatementParser.FileNameContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.fileName()`.
`T`	`visitFileSizeLiteral(OpenGaussStatementParser.FileSizeLiteralContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.fileSizeLiteral()`.
`T`	`visitFilterClause(OpenGaussStatementParser.FilterClauseContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.filterClause()`.
`T`	`visitFirst(OpenGaussStatementParser.FirstContext ctx)` Visit a parse tree produced by the `first` labeled alternative in `OpenGaussStatementParser.direction()`.
`T`	`visitFirstOrNext(OpenGaussStatementParser.FirstOrNextContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.firstOrNext()`.
`T`	`visitForeignServerVersion(OpenGaussStatementParser.ForeignServerVersionContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.foreignServerVersion()`.
`T`	`visitForLockingClause(OpenGaussStatementParser.ForLockingClauseContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.forLockingClause()`.
`T`	`visitForLockingItem(OpenGaussStatementParser.ForLockingItemContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.forLockingItem()`.
`T`	`visitForLockingItems(OpenGaussStatementParser.ForLockingItemsContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.forLockingItems()`.
`T`	`visitForLockingStrength(OpenGaussStatementParser.ForLockingStrengthContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.forLockingStrength()`.
`T`	`visitForward(OpenGaussStatementParser.ForwardContext ctx)` Visit a parse tree produced by the `forward` labeled alternative in `OpenGaussStatementParser.direction()`.
`T`	`visitForwardAll(OpenGaussStatementParser.ForwardAllContext ctx)` Visit a parse tree produced by the `forwardAll` labeled alternative in `OpenGaussStatementParser.direction()`.
`T`	`visitForwardCount(OpenGaussStatementParser.ForwardCountContext ctx)` Visit a parse tree produced by the `forwardCount` labeled alternative in `OpenGaussStatementParser.direction()`.
`T`	`visitFrameBound(OpenGaussStatementParser.FrameBoundContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.frameBound()`.
`T`	`visitFrameClause(OpenGaussStatementParser.FrameClauseContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.frameClause()`.
`T`	`visitFrameExtent(OpenGaussStatementParser.FrameExtentContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.frameExtent()`.
`T`	`visitFromClause(OpenGaussStatementParser.FromClauseContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.fromClause()`.
`T`	`visitFromList(OpenGaussStatementParser.FromListContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.fromList()`.
`T`	`visitFuncAliasClause(OpenGaussStatementParser.FuncAliasClauseContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.funcAliasClause()`.
`T`	`visitFuncApplication(OpenGaussStatementParser.FuncApplicationContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.funcApplication()`.
`T`	`visitFuncArg(OpenGaussStatementParser.FuncArgContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.funcArg()`.
`T`	`visitFuncArgExpr(OpenGaussStatementParser.FuncArgExprContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.funcArgExpr()`.
`T`	`visitFuncArgList(OpenGaussStatementParser.FuncArgListContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.funcArgList()`.
`T`	`visitFuncArgs(OpenGaussStatementParser.FuncArgsContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.funcArgs()`.
`T`	`visitFuncArgsList(OpenGaussStatementParser.FuncArgsListContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.funcArgsList()`.
`T`	`visitFuncArgsWithDefaults(OpenGaussStatementParser.FuncArgsWithDefaultsContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.funcArgsWithDefaults()`.
`T`	`visitFuncArgsWithDefaultsList(OpenGaussStatementParser.FuncArgsWithDefaultsListContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.funcArgsWithDefaultsList()`.
`T`	`visitFuncArgWithDefault(OpenGaussStatementParser.FuncArgWithDefaultContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.funcArgWithDefault()`.
`T`	`visitFuncAs(OpenGaussStatementParser.FuncAsContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.funcAs()`.
`T`	`visitFuncExpr(OpenGaussStatementParser.FuncExprContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.funcExpr()`.
`T`	`visitFuncExprWindowless(OpenGaussStatementParser.FuncExprWindowlessContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.funcExprWindowless()`.
`T`	`visitFuncName(OpenGaussStatementParser.FuncNameContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.funcName()`.
`T`	`visitFuncReturn(OpenGaussStatementParser.FuncReturnContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.funcReturn()`.
`T`	`visitFunctionExprCommonSubexpr(OpenGaussStatementParser.FunctionExprCommonSubexprContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.functionExprCommonSubexpr()`.
`T`	`visitFunctionExprWindowless(OpenGaussStatementParser.FunctionExprWindowlessContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.functionExprWindowless()`.
`T`	`visitFunctionSetResetClause(OpenGaussStatementParser.FunctionSetResetClauseContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.functionSetResetClause()`.
`T`	`visitFunctionTable(OpenGaussStatementParser.FunctionTableContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.functionTable()`.
`T`	`visitFunctionWithArgtypes(OpenGaussStatementParser.FunctionWithArgtypesContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.functionWithArgtypes()`.
`T`	`visitFunctionWithArgtypesList(OpenGaussStatementParser.FunctionWithArgtypesListContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.functionWithArgtypesList()`.
`T`	`visitFuncType(OpenGaussStatementParser.FuncTypeContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.funcType()`.
`T`	`visitGeneratedWhen(OpenGaussStatementParser.GeneratedWhenContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.generatedWhen()`.
`T`	`visitGenericOptionArg(OpenGaussStatementParser.GenericOptionArgContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.genericOptionArg()`.
`T`	`visitGenericOptionElem(OpenGaussStatementParser.GenericOptionElemContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.genericOptionElem()`.
`T`	`visitGenericOptionList(OpenGaussStatementParser.GenericOptionListContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.genericOptionList()`.
`T`	`visitGenericOptionName(OpenGaussStatementParser.GenericOptionNameContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.genericOptionName()`.
`T`	`visitGenericReset(OpenGaussStatementParser.GenericResetContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.genericReset()`.
`T`	`visitGenericSet(OpenGaussStatementParser.GenericSetContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.genericSet()`.
`T`	`visitGenericType(OpenGaussStatementParser.GenericTypeContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.genericType()`.
`T`	`visitGeometricOperator(OpenGaussStatementParser.GeometricOperatorContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.geometricOperator()`.
`T`	`visitGrant(OpenGaussStatementParser.GrantContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.grant()`.
`T`	`visitGrantee(OpenGaussStatementParser.GranteeContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.grantee()`.
`T`	`visitGranteeList(OpenGaussStatementParser.GranteeListContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.granteeList()`.
`T`	`visitGrantGrantOption(OpenGaussStatementParser.GrantGrantOptionContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.grantGrantOption()`.
`T`	`visitGroupByItem(OpenGaussStatementParser.GroupByItemContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.groupByItem()`.
`T`	`visitGroupByList(OpenGaussStatementParser.GroupByListContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.groupByList()`.
`T`	`visitGroupClause(OpenGaussStatementParser.GroupClauseContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.groupClause()`.
`T`	`visitGroupingSetsClause(OpenGaussStatementParser.GroupingSetsClauseContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.groupingSetsClause()`.
`T`	`visitHandlerName(OpenGaussStatementParser.HandlerNameContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.handlerName()`.
`T`	`visitHashPartbound(OpenGaussStatementParser.HashPartboundContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.hashPartbound()`.
`T`	`visitHashPartboundElem(OpenGaussStatementParser.HashPartboundElemContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.hashPartboundElem()`.
`T`	`visitHavingClause(OpenGaussStatementParser.HavingClauseContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.havingClause()`.
`T`	`visitIdentifier(OpenGaussStatementParser.IdentifierContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.identifier()`.
`T`	`visitIfExists(OpenGaussStatementParser.IfExistsContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.ifExists()`.
`T`	`visitIfNotExists(OpenGaussStatementParser.IfNotExistsContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.ifNotExists()`.
`T`	`visitIgnoredIdentifier(OpenGaussStatementParser.IgnoredIdentifierContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.ignoredIdentifier()`.
`T`	`visitIgnoredIdentifiers(OpenGaussStatementParser.IgnoredIdentifiersContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.ignoredIdentifiers()`.
`T`	`visitImplicitRow(OpenGaussStatementParser.ImplicitRowContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.implicitRow()`.
`T`	`visitImportForeignSchema(OpenGaussStatementParser.ImportForeignSchemaContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.importForeignSchema()`.
`T`	`visitImportQualification(OpenGaussStatementParser.ImportQualificationContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.importQualification()`.
`T`	`visitImportQualificationType(OpenGaussStatementParser.ImportQualificationTypeContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.importQualificationType()`.
`T`	`visitInclude(OpenGaussStatementParser.IncludeContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.include()`.
`T`	`visitIndexElem(OpenGaussStatementParser.IndexElemContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.indexElem()`.
`T`	`visitIndexElemOptions(OpenGaussStatementParser.IndexElemOptionsContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.indexElemOptions()`.
`T`	`visitIndexIncludingParams(OpenGaussStatementParser.IndexIncludingParamsContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.indexIncludingParams()`.
`T`	`visitIndexName(OpenGaussStatementParser.IndexNameContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.indexName()`.
`T`	`visitIndexNames(OpenGaussStatementParser.IndexNamesContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.indexNames()`.
`T`	`visitIndexParameters(OpenGaussStatementParser.IndexParametersContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.indexParameters()`.
`T`	`visitIndexParams(OpenGaussStatementParser.IndexParamsContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.indexParams()`.
`T`	`visitIndexPartitionCmd(OpenGaussStatementParser.IndexPartitionCmdContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.indexPartitionCmd()`.
`T`	`visitIndirection(OpenGaussStatementParser.IndirectionContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.indirection()`.
`T`	`visitIndirectionEl(OpenGaussStatementParser.IndirectionElContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.indirectionEl()`.
`T`	`visitInExpr(OpenGaussStatementParser.InExprContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.inExpr()`.
`T`	`visitInheritClause(OpenGaussStatementParser.InheritClauseContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.inheritClause()`.
`T`	`visitInnerJoinType(OpenGaussStatementParser.InnerJoinTypeContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.innerJoinType()`.
`T`	`visitInsert(OpenGaussStatementParser.InsertContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.insert()`.
`T`	`visitInsertColumnItem(OpenGaussStatementParser.InsertColumnItemContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.insertColumnItem()`.
`T`	`visitInsertColumnList(OpenGaussStatementParser.InsertColumnListContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.insertColumnList()`.
`T`	`visitInsertRest(OpenGaussStatementParser.InsertRestContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.insertRest()`.
`T`	`visitInsertTarget(OpenGaussStatementParser.InsertTargetContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.insertTarget()`.
`T`	`visitIntervalSecond(OpenGaussStatementParser.IntervalSecondContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.intervalSecond()`.
`T`	`visitIntoClause(OpenGaussStatementParser.IntoClauseContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.intoClause()`.
`T`	`visitIsoLevel(OpenGaussStatementParser.IsoLevelContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.isoLevel()`.
`T`	`visitJoinedTable(OpenGaussStatementParser.JoinedTableContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.joinedTable()`.
`T`	`visitJoinQual(OpenGaussStatementParser.JoinQualContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.joinQual()`.
`T`	`visitJsonbConcat(OpenGaussStatementParser.JsonbConcatContext ctx)` Visit a parse tree produced by the `jsonbConcat` labeled alternative in `OpenGaussStatementParser.jsonOperator()`.
`T`	`visitJsonbContainAllTopKey(OpenGaussStatementParser.JsonbContainAllTopKeyContext ctx)` Visit a parse tree produced by the `jsonbContainAllTopKey` labeled alternative in `OpenGaussStatementParser.jsonOperator()`.
`T`	`visitJsonbContainAnyTopKey(OpenGaussStatementParser.JsonbContainAnyTopKeyContext ctx)` Visit a parse tree produced by the `jsonbContainAnyTopKey` labeled alternative in `OpenGaussStatementParser.jsonOperator()`.
`T`	`visitJsonbContainLeft(OpenGaussStatementParser.JsonbContainLeftContext ctx)` Visit a parse tree produced by the `jsonbContainLeft` labeled alternative in `OpenGaussStatementParser.jsonOperator()`.
`T`	`visitJsonbContainRight(OpenGaussStatementParser.JsonbContainRightContext ctx)` Visit a parse tree produced by the `jsonbContainRight` labeled alternative in `OpenGaussStatementParser.jsonOperator()`.
`T`	`visitJsonbContainTopKey(OpenGaussStatementParser.JsonbContainTopKeyContext ctx)` Visit a parse tree produced by the `jsonbContainTopKey` labeled alternative in `OpenGaussStatementParser.jsonOperator()`.
`T`	`visitJsonbDelete(OpenGaussStatementParser.JsonbDeleteContext ctx)` Visit a parse tree produced by the `jsonbDelete` labeled alternative in `OpenGaussStatementParser.jsonOperator()`.
`T`	`visitJsonbPathContainAnyValue(OpenGaussStatementParser.JsonbPathContainAnyValueContext ctx)` Visit a parse tree produced by the `jsonbPathContainAnyValue` labeled alternative in `OpenGaussStatementParser.jsonOperator()`.
`T`	`visitJsonbPathDelete(OpenGaussStatementParser.JsonbPathDeleteContext ctx)` Visit a parse tree produced by the `jsonbPathDelete` labeled alternative in `OpenGaussStatementParser.jsonOperator()`.
`T`	`visitJsonbPathPredicateCheck(OpenGaussStatementParser.JsonbPathPredicateCheckContext ctx)` Visit a parse tree produced by the `jsonbPathPredicateCheck` labeled alternative in `OpenGaussStatementParser.jsonOperator()`.
`T`	`visitJsonExtract(OpenGaussStatementParser.JsonExtractContext ctx)` Visit a parse tree produced by the `jsonExtract` labeled alternative in `OpenGaussStatementParser.jsonOperator()`.
`T`	`visitJsonExtractText(OpenGaussStatementParser.JsonExtractTextContext ctx)` Visit a parse tree produced by the `jsonExtractText` labeled alternative in `OpenGaussStatementParser.jsonOperator()`.
`T`	`visitJsonPathExtract(OpenGaussStatementParser.JsonPathExtractContext ctx)` Visit a parse tree produced by the `jsonPathExtract` labeled alternative in `OpenGaussStatementParser.jsonOperator()`.
`T`	`visitJsonPathExtractText(OpenGaussStatementParser.JsonPathExtractTextContext ctx)` Visit a parse tree produced by the `jsonPathExtractText` labeled alternative in `OpenGaussStatementParser.jsonOperator()`.
`T`	`visitKeyAction(OpenGaussStatementParser.KeyActionContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.keyAction()`.
`T`	`visitKeyActions(OpenGaussStatementParser.KeyActionsContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.keyActions()`.
`T`	`visitKeyDelete(OpenGaussStatementParser.KeyDeleteContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.keyDelete()`.
`T`	`visitKeyMatch(OpenGaussStatementParser.KeyMatchContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.keyMatch()`.
`T`	`visitKeyUpdate(OpenGaussStatementParser.KeyUpdateContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.keyUpdate()`.
`T`	`visitLast(OpenGaussStatementParser.LastContext ctx)` Visit a parse tree produced by the `last` labeled alternative in `OpenGaussStatementParser.direction()`.
`T`	`visitLikeOption(OpenGaussStatementParser.LikeOptionContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.likeOption()`.
`T`	`visitLimitClause(OpenGaussStatementParser.LimitClauseContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.limitClause()`.
`T`	`visitListen(OpenGaussStatementParser.ListenContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.listen()`.
`T`	`visitLiteralsType(OpenGaussStatementParser.LiteralsTypeContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.literalsType()`.
`T`	`visitLoad(OpenGaussStatementParser.LoadContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.load()`.
`T`	`visitLock(OpenGaussStatementParser.LockContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.lock()`.
`T`	`visitLockedRelsList(OpenGaussStatementParser.LockedRelsListContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.lockedRelsList()`.
`T`	`visitLockType(OpenGaussStatementParser.LockTypeContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.lockType()`.
`T`	`visitMathOperator(OpenGaussStatementParser.MathOperatorContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.mathOperator()`.
`T`	`visitModifyColumn(OpenGaussStatementParser.ModifyColumnContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.modifyColumn()`.
`T`	`visitModifyColumnSpecification(OpenGaussStatementParser.ModifyColumnSpecificationContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.modifyColumnSpecification()`.
`T`	`visitModifyConstraintSpecification(OpenGaussStatementParser.ModifyConstraintSpecificationContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.modifyConstraintSpecification()`.
`T`	`visitMove(OpenGaussStatementParser.MoveContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.move()`.
`T`	`visitName(OpenGaussStatementParser.NameContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.name()`.
`T`	`visitNameList(OpenGaussStatementParser.NameListContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.nameList()`.
`T`	`visitNaturalJoinType(OpenGaussStatementParser.NaturalJoinTypeContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.naturalJoinType()`.
`T`	`visitNext(OpenGaussStatementParser.NextContext ctx)` Visit a parse tree produced by the `next` labeled alternative in `OpenGaussStatementParser.direction()`.
`T`	`visitNoInherit(OpenGaussStatementParser.NoInheritContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.noInherit()`.
`T`	`visitNonReservedWord(OpenGaussStatementParser.NonReservedWordContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.nonReservedWord()`.
`T`	`visitNonReservedWordOrSconst(OpenGaussStatementParser.NonReservedWordOrSconstContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.nonReservedWordOrSconst()`.
`T`	`visitNotifyStmt(OpenGaussStatementParser.NotifyStmtContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.notifyStmt()`.
`T`	`visitNowaitOrSkip(OpenGaussStatementParser.NowaitOrSkipContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.nowaitOrSkip()`.
`T`	`visitNullsOrder(OpenGaussStatementParser.NullsOrderContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.nullsOrder()`.
`T`	`visitNumberConst(OpenGaussStatementParser.NumberConstContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.numberConst()`.
`T`	`visitNumberLiterals(OpenGaussStatementParser.NumberLiteralsContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.numberLiterals()`.
`T`	`visitNumeric(OpenGaussStatementParser.NumericContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.numeric()`.
`T`	`visitNumericOnly(OpenGaussStatementParser.NumericOnlyContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.numericOnly()`.
`T`	`visitNumericOnlyList(OpenGaussStatementParser.NumericOnlyListContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.numericOnlyList()`.
`T`	`visitObjectName(OpenGaussStatementParser.ObjectNameContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.objectName()`.
`T`	`visitObjectTypeAnyName(OpenGaussStatementParser.ObjectTypeAnyNameContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.objectTypeAnyName()`.
`T`	`visitObjectTypeName(OpenGaussStatementParser.ObjectTypeNameContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.objectTypeName()`.
`T`	`visitObjectTypeNameOnAnyName(OpenGaussStatementParser.ObjectTypeNameOnAnyNameContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.objectTypeNameOnAnyName()`.
`T`	`visitOffsetClause(OpenGaussStatementParser.OffsetClauseContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.offsetClause()`.
`T`	`visitOldAggrDefinition(OpenGaussStatementParser.OldAggrDefinitionContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.oldAggrDefinition()`.
`T`	`visitOldAggrElem(OpenGaussStatementParser.OldAggrElemContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.oldAggrElem()`.
`T`	`visitOldAggrList(OpenGaussStatementParser.OldAggrListContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.oldAggrList()`.
`T`	`visitOnCommitOption(OpenGaussStatementParser.OnCommitOptionContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.onCommitOption()`.
`T`	`visitOnlyClause(OpenGaussStatementParser.OnlyClauseContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.onlyClause()`.
`T`	`visitOnObjectClause(OpenGaussStatementParser.OnObjectClauseContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.onObjectClause()`.
`T`	`visitOp(OpenGaussStatementParser.OpContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.op()`.
`T`	`visitOpclassItem(OpenGaussStatementParser.OpclassItemContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.opclassItem()`.
`T`	`visitOpclassItemList(OpenGaussStatementParser.OpclassItemListContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.opclassItemList()`.
`T`	`visitOpclassPurpose(OpenGaussStatementParser.OpclassPurposeContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.opclassPurpose()`.
`T`	`visitOperArgtypes(OpenGaussStatementParser.OperArgtypesContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.operArgtypes()`.
`T`	`visitOperatorDefArg(OpenGaussStatementParser.OperatorDefArgContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.operatorDefArg()`.
`T`	`visitOperatorDefElem(OpenGaussStatementParser.OperatorDefElemContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.operatorDefElem()`.
`T`	`visitOperatorDefList(OpenGaussStatementParser.OperatorDefListContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.operatorDefList()`.
`T`	`visitOperatorWithArgtypes(OpenGaussStatementParser.OperatorWithArgtypesContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.operatorWithArgtypes()`.
`T`	`visitOperatorWithArgtypesList(OpenGaussStatementParser.OperatorWithArgtypesListContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.operatorWithArgtypesList()`.
`T`	`visitOptArrayBounds(OpenGaussStatementParser.OptArrayBoundsContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.optArrayBounds()`.
`T`	`visitOptClass(OpenGaussStatementParser.OptClassContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.optClass()`.
`T`	`visitOptColumnList(OpenGaussStatementParser.OptColumnListContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.optColumnList()`.
`T`	`visitOptFloat(OpenGaussStatementParser.OptFloatContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.optFloat()`.
`T`	`visitOptIndirection(OpenGaussStatementParser.OptIndirectionContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.optIndirection()`.
`T`	`visitOptInterval(OpenGaussStatementParser.OptIntervalContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.optInterval()`.
`T`	`visitOptionForClause(OpenGaussStatementParser.OptionForClauseContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.optionForClause()`.
`T`	`visitOptMaterialized(OpenGaussStatementParser.OptMaterializedContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.optMaterialized()`.
`T`	`visitOptNameList(OpenGaussStatementParser.OptNameListContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.optNameList()`.
`T`	`visitOptOnDuplicateKey(OpenGaussStatementParser.OptOnDuplicateKeyContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.optOnDuplicateKey()`.
`T`	`visitOptTempTableName(OpenGaussStatementParser.OptTempTableNameContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.optTempTableName()`.
`T`	`visitOptWindowExclusionClause(OpenGaussStatementParser.OptWindowExclusionClauseContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.optWindowExclusionClause()`.
`T`	`visitOrdinality(OpenGaussStatementParser.OrdinalityContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.ordinality()`.
`T`	`visitOrOperator(OpenGaussStatementParser.OrOperatorContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.orOperator()`.
`T`	`visitOuterJoinType(OpenGaussStatementParser.OuterJoinTypeContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.outerJoinType()`.
`T`	`visitOverClause(OpenGaussStatementParser.OverClauseContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.overClause()`.
`T`	`visitOverlayList(OpenGaussStatementParser.OverlayListContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.overlayList()`.
`T`	`visitOverlayPlacing(OpenGaussStatementParser.OverlayPlacingContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.overlayPlacing()`.
`T`	`visitOverrideKind(OpenGaussStatementParser.OverrideKindContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.overrideKind()`.
`T`	`visitOwner(OpenGaussStatementParser.OwnerContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.owner()`.
`T`	`visitPackageName(OpenGaussStatementParser.PackageNameContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.packageName()`.
`T`	`visitParameterMarker(OpenGaussStatementParser.ParameterMarkerContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.parameterMarker()`.
`T`	`visitParamName(OpenGaussStatementParser.ParamNameContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.paramName()`.
`T`	`visitParenthesizedSeqOptList(OpenGaussStatementParser.ParenthesizedSeqOptListContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.parenthesizedSeqOptList()`.
`T`	`visitPartElem(OpenGaussStatementParser.PartElemContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.partElem()`.
`T`	`visitPartitionBoundSpec(OpenGaussStatementParser.PartitionBoundSpecContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.partitionBoundSpec()`.
`T`	`visitPartitionClause(OpenGaussStatementParser.PartitionClauseContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.partitionClause()`.
`T`	`visitPartitionCmd(OpenGaussStatementParser.PartitionCmdContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.partitionCmd()`.
`T`	`visitPartitionSpec(OpenGaussStatementParser.PartitionSpecContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.partitionSpec()`.
`T`	`visitPartParams(OpenGaussStatementParser.PartParamsContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.partParams()`.
`T`	`visitPartStrategy(OpenGaussStatementParser.PartStrategyContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.partStrategy()`.
`T`	`visitPathString(OpenGaussStatementParser.PathStringContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.pathString()`.
`T`	`visitPatternMatchingOperator(OpenGaussStatementParser.PatternMatchingOperatorContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.patternMatchingOperator()`.
`T`	`visitPositionList(OpenGaussStatementParser.PositionListContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.positionList()`.
`T`	`visitPreparableStmt(OpenGaussStatementParser.PreparableStmtContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.preparableStmt()`.
`T`	`visitPrepare(OpenGaussStatementParser.PrepareContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.prepare()`.
`T`	`visitPrepareTransaction(OpenGaussStatementParser.PrepareTransactionContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.prepareTransaction()`.
`T`	`visitPrepTypeClause(OpenGaussStatementParser.PrepTypeClauseContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.prepTypeClause()`.
`T`	`visitPrimaryKey(OpenGaussStatementParser.PrimaryKeyContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.primaryKey()`.
`T`	`visitPrior(OpenGaussStatementParser.PriorContext ctx)` Visit a parse tree produced by the `prior` labeled alternative in `OpenGaussStatementParser.direction()`.
`T`	`visitPrivilege(OpenGaussStatementParser.PrivilegeContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.privilege()`.
`T`	`visitPrivilegeClause(OpenGaussStatementParser.PrivilegeClauseContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.privilegeClause()`.
`T`	`visitPrivilegeLevel(OpenGaussStatementParser.PrivilegeLevelContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.privilegeLevel()`.
`T`	`visitPrivilegeList(OpenGaussStatementParser.PrivilegeListContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.privilegeList()`.
`T`	`visitPrivileges(OpenGaussStatementParser.PrivilegesContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.privileges()`.
`T`	`visitPrivilegeType(OpenGaussStatementParser.PrivilegeTypeContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.privilegeType()`.
`T`	`visitPrivilegeTypes(OpenGaussStatementParser.PrivilegeTypesContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.privilegeTypes()`.
`T`	`visitPublicationForTables(OpenGaussStatementParser.PublicationForTablesContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.publicationForTables()`.
`T`	`visitPublicationNameItem(OpenGaussStatementParser.PublicationNameItemContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.publicationNameItem()`.
`T`	`visitPublicationNameList(OpenGaussStatementParser.PublicationNameListContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.publicationNameList()`.
`T`	`visitQualAllOp(OpenGaussStatementParser.QualAllOpContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.qualAllOp()`.
`T`	`visitQualifiedName(OpenGaussStatementParser.QualifiedNameContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.qualifiedName()`.
`T`	`visitQualifiedNameList(OpenGaussStatementParser.QualifiedNameListContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.qualifiedNameList()`.
`T`	`visitQualOp(OpenGaussStatementParser.QualOpContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.qualOp()`.
`T`	`visitReassignOwned(OpenGaussStatementParser.ReassignOwnedContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.reassignOwned()`.
`T`	`visitRefreshMaterializedView(OpenGaussStatementParser.RefreshMaterializedViewContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.refreshMaterializedView()`.
`T`	`visitRefreshMatViewStmt(OpenGaussStatementParser.RefreshMatViewStmtContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.refreshMatViewStmt()`.
`T`	`visitReIndex(OpenGaussStatementParser.ReIndexContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.reIndex()`.
`T`	`visitReIndexClauses(OpenGaussStatementParser.ReIndexClausesContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.reIndexClauses()`.
`T`	`visitReindexOptionElem(OpenGaussStatementParser.ReindexOptionElemContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.reindexOptionElem()`.
`T`	`visitReindexOptionList(OpenGaussStatementParser.ReindexOptionListContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.reindexOptionList()`.
`T`	`visitReindexTargetMultitable(OpenGaussStatementParser.ReindexTargetMultitableContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.reindexTargetMultitable()`.
`T`	`visitReindexTargetType(OpenGaussStatementParser.ReindexTargetTypeContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.reindexTargetType()`.
`T`	`visitRelationExpr(OpenGaussStatementParser.RelationExprContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.relationExpr()`.
`T`	`visitRelationExprList(OpenGaussStatementParser.RelationExprListContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.relationExprList()`.
`T`	`visitRelationExprOptAlias(OpenGaussStatementParser.RelationExprOptAliasContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.relationExprOptAlias()`.
`T`	`visitRelativeCount(OpenGaussStatementParser.RelativeCountContext ctx)` Visit a parse tree produced by the `relativeCount` labeled alternative in `OpenGaussStatementParser.direction()`.
`T`	`visitReleaseSavepoint(OpenGaussStatementParser.ReleaseSavepointContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.releaseSavepoint()`.
`T`	`visitReloptionElem(OpenGaussStatementParser.ReloptionElemContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.reloptionElem()`.
`T`	`visitReloptionList(OpenGaussStatementParser.ReloptionListContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.reloptionList()`.
`T`	`visitReloptions(OpenGaussStatementParser.ReloptionsContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.reloptions()`.
`T`	`visitRenameColumnSpecification(OpenGaussStatementParser.RenameColumnSpecificationContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.renameColumnSpecification()`.
`T`	`visitRenameConstraint(OpenGaussStatementParser.RenameConstraintContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.renameConstraint()`.
`T`	`visitRenameIndexSpecification(OpenGaussStatementParser.RenameIndexSpecificationContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.renameIndexSpecification()`.
`T`	`visitRenameTableSpecification(OpenGaussStatementParser.RenameTableSpecificationContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.renameTableSpecification()`.
`T`	`visitRepeatableClause(OpenGaussStatementParser.RepeatableClauseContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.repeatableClause()`.
`T`	`visitReplicaIdentity(OpenGaussStatementParser.ReplicaIdentityContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.replicaIdentity()`.
`T`	`visitReservedKeyword(OpenGaussStatementParser.ReservedKeywordContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.reservedKeyword()`.
`T`	`visitResetParameter(OpenGaussStatementParser.ResetParameterContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.resetParameter()`.
`T`	`visitResetRest(OpenGaussStatementParser.ResetRestContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.resetRest()`.
`T`	`visitRestartSeqs(OpenGaussStatementParser.RestartSeqsContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.restartSeqs()`.
`T`	`visitReturningClause(OpenGaussStatementParser.ReturningClauseContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.returningClause()`.
`T`	`visitRevoke(OpenGaussStatementParser.RevokeContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.revoke()`.
`T`	`visitRoleClause(OpenGaussStatementParser.RoleClauseContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.roleClause()`.
`T`	`visitRoleList(OpenGaussStatementParser.RoleListContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.roleList()`.
`T`	`visitRoleSpec(OpenGaussStatementParser.RoleSpecContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.roleSpec()`.
`T`	`visitRollback(OpenGaussStatementParser.RollbackContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.rollback()`.
`T`	`visitRollbackPrepared(OpenGaussStatementParser.RollbackPreparedContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.rollbackPrepared()`.
`T`	`visitRollbackToSavepoint(OpenGaussStatementParser.RollbackToSavepointContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.rollbackToSavepoint()`.
`T`	`visitRollupClause(OpenGaussStatementParser.RollupClauseContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.rollupClause()`.
`T`	`visitRoutineName(OpenGaussStatementParser.RoutineNameContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.routineName()`.
`T`	`visitRow(OpenGaussStatementParser.RowContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.row()`.
`T`	`visitRowOrRows(OpenGaussStatementParser.RowOrRowsContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.rowOrRows()`.
`T`	`visitRowSecurityCmd(OpenGaussStatementParser.RowSecurityCmdContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.rowSecurityCmd()`.
`T`	`visitRowsFromItem(OpenGaussStatementParser.RowsFromItemContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.rowsFromItem()`.
`T`	`visitRowsFromList(OpenGaussStatementParser.RowsFromListContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.rowsFromList()`.
`T`	`visitRuleActionList(OpenGaussStatementParser.RuleActionListContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.ruleActionList()`.
`T`	`visitRuleActionMulti(OpenGaussStatementParser.RuleActionMultiContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.ruleActionMulti()`.
`T`	`visitRuleActionStmt(OpenGaussStatementParser.RuleActionStmtContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.ruleActionStmt()`.
`T`	`visitRuntimeScope(OpenGaussStatementParser.RuntimeScopeContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.runtimeScope()`.
`T`	`visitSavepoint(OpenGaussStatementParser.SavepointContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.savepoint()`.
`T`	`visitSchemaEltList(OpenGaussStatementParser.SchemaEltListContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.schemaEltList()`.
`T`	`visitSchemaName(OpenGaussStatementParser.SchemaNameContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.schemaName()`.
`T`	`visitSchemaNameList(OpenGaussStatementParser.SchemaNameListContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.schemaNameList()`.
`T`	`visitSchemaStmt(OpenGaussStatementParser.SchemaStmtContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.schemaStmt()`.
`T`	`visitSecurityLabel(OpenGaussStatementParser.SecurityLabelContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.securityLabel()`.
`T`	`visitSecurityLabelClausces(OpenGaussStatementParser.SecurityLabelClauscesContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.securityLabelClausces()`.
`T`	`visitSecurityLabelStmt(OpenGaussStatementParser.SecurityLabelStmtContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.securityLabelStmt()`.
`T`	`visitSelect(OpenGaussStatementParser.SelectContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.select()`.
`T`	`visitSelectClauseN(OpenGaussStatementParser.SelectClauseNContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.selectClauseN()`.
`T`	`visitSelectFetchFirstValue(OpenGaussStatementParser.SelectFetchFirstValueContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.selectFetchFirstValue()`.
`T`	`visitSelectLimit(OpenGaussStatementParser.SelectLimitContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.selectLimit()`.
`T`	`visitSelectLimitValue(OpenGaussStatementParser.SelectLimitValueContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.selectLimitValue()`.
`T`	`visitSelectNoParens(OpenGaussStatementParser.SelectNoParensContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.selectNoParens()`.
`T`	`visitSelectOffsetValue(OpenGaussStatementParser.SelectOffsetValueContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.selectOffsetValue()`.
`T`	`visitSelectWithParens(OpenGaussStatementParser.SelectWithParensContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.selectWithParens()`.
`T`	`visitSeqOptElem(OpenGaussStatementParser.SeqOptElemContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.seqOptElem()`.
`T`	`visitSeqOptList(OpenGaussStatementParser.SeqOptListContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.seqOptList()`.
`T`	`visitSequenceOption(OpenGaussStatementParser.SequenceOptionContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.sequenceOption()`.
`T`	`visitSequenceOptions(OpenGaussStatementParser.SequenceOptionsContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.sequenceOptions()`.
`T`	`visitSet(OpenGaussStatementParser.SetContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.set()`.
`T`	`visitSetClause(OpenGaussStatementParser.SetClauseContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.setClause()`.
`T`	`visitSetClauseList(OpenGaussStatementParser.SetClauseListContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.setClauseList()`.
`T`	`visitSetConstraints(OpenGaussStatementParser.SetConstraintsContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.setConstraints()`.
`T`	`visitSetData(OpenGaussStatementParser.SetDataContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.setData()`.
`T`	`visitSetResetClause(OpenGaussStatementParser.SetResetClauseContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.setResetClause()`.
`T`	`visitSetRest(OpenGaussStatementParser.SetRestContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.setRest()`.
`T`	`visitSetRestMore(OpenGaussStatementParser.SetRestMoreContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.setRestMore()`.
`T`	`visitSetTarget(OpenGaussStatementParser.SetTargetContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.setTarget()`.
`T`	`visitSetTargetList(OpenGaussStatementParser.SetTargetListContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.setTargetList()`.
`T`	`visitSetTransaction(OpenGaussStatementParser.SetTransactionContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.setTransaction()`.
`T`	`visitShow(OpenGaussStatementParser.ShowContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.show()`.
`T`	`visitSignedIconst(OpenGaussStatementParser.SignedIconstContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.signedIconst()`.
`T`	`visitSimpleSelect(OpenGaussStatementParser.SimpleSelectContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.simpleSelect()`.
`T`	`visitSimpleTypeName(OpenGaussStatementParser.SimpleTypeNameContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.simpleTypeName()`.
`T`	`visitSliceBound(OpenGaussStatementParser.SliceBoundContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.sliceBound()`.
`T`	`visitSortby(OpenGaussStatementParser.SortbyContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.sortby()`.
`T`	`visitSortbyList(OpenGaussStatementParser.SortbyListContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.sortbyList()`.
`T`	`visitSortClause(OpenGaussStatementParser.SortClauseContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.sortClause()`.
`T`	`visitStartTransaction(OpenGaussStatementParser.StartTransactionContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.startTransaction()`.
`T`	`visitStorageParameter(OpenGaussStatementParser.StorageParameterContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.storageParameter()`.
`T`	`visitStorageParameterWithValue(OpenGaussStatementParser.StorageParameterWithValueContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.storageParameterWithValue()`.
`T`	`visitSubqueryOp(OpenGaussStatementParser.SubqueryOpContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.subqueryOp()`.
`T`	`visitSubstrFor(OpenGaussStatementParser.SubstrForContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.substrFor()`.
`T`	`visitSubstrFrom(OpenGaussStatementParser.SubstrFromContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.substrFrom()`.
`T`	`visitSubstrList(OpenGaussStatementParser.SubstrListContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.substrList()`.
`T`	`visitSubType(OpenGaussStatementParser.SubTypeContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.subType()`.
`T`	`visitSynonymName(OpenGaussStatementParser.SynonymNameContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.synonymName()`.
`T`	`visitTableAccessMethodClause(OpenGaussStatementParser.TableAccessMethodClauseContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.tableAccessMethodClause()`.
`T`	`visitTableConstraint(OpenGaussStatementParser.TableConstraintContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.tableConstraint()`.
`T`	`visitTableConstraintOption(OpenGaussStatementParser.TableConstraintOptionContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.tableConstraintOption()`.
`T`	`visitTableConstraintUsingIndex(OpenGaussStatementParser.TableConstraintUsingIndexContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.tableConstraintUsingIndex()`.
`T`	`visitTableElement(OpenGaussStatementParser.TableElementContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.tableElement()`.
`T`	`visitTableElementList(OpenGaussStatementParser.TableElementListContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.tableElementList()`.
`T`	`visitTableFuncColumn(OpenGaussStatementParser.TableFuncColumnContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.tableFuncColumn()`.
`T`	`visitTableFuncColumnList(OpenGaussStatementParser.TableFuncColumnListContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.tableFuncColumnList()`.
`T`	`visitTableFuncElement(OpenGaussStatementParser.TableFuncElementContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.tableFuncElement()`.
`T`	`visitTableFuncElementList(OpenGaussStatementParser.TableFuncElementListContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.tableFuncElementList()`.
`T`	`visitTableLikeClause(OpenGaussStatementParser.TableLikeClauseContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.tableLikeClause()`.
`T`	`visitTableLikeOption(OpenGaussStatementParser.TableLikeOptionContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.tableLikeOption()`.
`T`	`visitTableLikeOptionList(OpenGaussStatementParser.TableLikeOptionListContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.tableLikeOptionList()`.
`T`	`visitTableName(OpenGaussStatementParser.TableNameContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.tableName()`.
`T`	`visitTableNameClause(OpenGaussStatementParser.TableNameClauseContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.tableNameClause()`.
`T`	`visitTableNames(OpenGaussStatementParser.TableNamesContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.tableNames()`.
`T`	`visitTableNamesClause(OpenGaussStatementParser.TableNamesClauseContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.tableNamesClause()`.
`T`	`visitTableReference(OpenGaussStatementParser.TableReferenceContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.tableReference()`.
`T`	`visitTablesampleClause(OpenGaussStatementParser.TablesampleClauseContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.tablesampleClause()`.
`T`	`visitTableSpace(OpenGaussStatementParser.TableSpaceContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.tableSpace()`.
`T`	`visitTargetEl(OpenGaussStatementParser.TargetElContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.targetEl()`.
`T`	`visitTargetList(OpenGaussStatementParser.TargetListContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.targetList()`.
`T`	`visitTempOption(OpenGaussStatementParser.TempOptionContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.tempOption()`.
`T`	`visitTiggerName(OpenGaussStatementParser.TiggerNameContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.tiggerName()`.
`T`	`visitTimezone(OpenGaussStatementParser.TimezoneContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.timezone()`.
`T`	`visitTimeZoneClause(OpenGaussStatementParser.TimeZoneClauseContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.timeZoneClause()`.
`T`	`visitTransactionModeItem(OpenGaussStatementParser.TransactionModeItemContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.transactionModeItem()`.
`T`	`visitTransactionModeList(OpenGaussStatementParser.TransactionModeListContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.transactionModeList()`.
`T`	`visitTransformElementList(OpenGaussStatementParser.TransformElementListContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.transformElementList()`.
`T`	`visitTransformTypeList(OpenGaussStatementParser.TransformTypeListContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.transformTypeList()`.
`T`	`visitTransitionOldOrNew(OpenGaussStatementParser.TransitionOldOrNewContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.transitionOldOrNew()`.
`T`	`visitTransitionRelName(OpenGaussStatementParser.TransitionRelNameContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.transitionRelName()`.
`T`	`visitTransitionRowOrTable(OpenGaussStatementParser.TransitionRowOrTableContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.transitionRowOrTable()`.
`T`	`visitTriggerActionTime(OpenGaussStatementParser.TriggerActionTimeContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.triggerActionTime()`.
`T`	`visitTriggerEvents(OpenGaussStatementParser.TriggerEventsContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.triggerEvents()`.
`T`	`visitTriggerForSpec(OpenGaussStatementParser.TriggerForSpecContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.triggerForSpec()`.
`T`	`visitTriggerFuncArg(OpenGaussStatementParser.TriggerFuncArgContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.triggerFuncArg()`.
`T`	`visitTriggerFuncArgs(OpenGaussStatementParser.TriggerFuncArgsContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.triggerFuncArgs()`.
`T`	`visitTriggerOneEvent(OpenGaussStatementParser.TriggerOneEventContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.triggerOneEvent()`.
`T`	`visitTriggerReferencing(OpenGaussStatementParser.TriggerReferencingContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.triggerReferencing()`.
`T`	`visitTriggerTransition(OpenGaussStatementParser.TriggerTransitionContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.triggerTransition()`.
`T`	`visitTriggerTransitions(OpenGaussStatementParser.TriggerTransitionsContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.triggerTransitions()`.
`T`	`visitTriggerWhen(OpenGaussStatementParser.TriggerWhenContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.triggerWhen()`.
`T`	`visitTrimList(OpenGaussStatementParser.TrimListContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.trimList()`.
`T`	`visitTruncateTable(OpenGaussStatementParser.TruncateTableContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.truncateTable()`.
`T`	`visitTypedTableElement(OpenGaussStatementParser.TypedTableElementContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.typedTableElement()`.
`T`	`visitTypedTableElementList(OpenGaussStatementParser.TypedTableElementListContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.typedTableElementList()`.
`T`	`visitTypeFuncNameKeyword(OpenGaussStatementParser.TypeFuncNameKeywordContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.typeFuncNameKeyword()`.
`T`	`visitTypeFunctionName(OpenGaussStatementParser.TypeFunctionNameContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.typeFunctionName()`.
`T`	`visitTypeList(OpenGaussStatementParser.TypeListContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.typeList()`.
`T`	`visitTypeModifiers(OpenGaussStatementParser.TypeModifiersContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.typeModifiers()`.
`T`	`visitTypeName(OpenGaussStatementParser.TypeNameContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.typeName()`.
`T`	`visitTypeNameList(OpenGaussStatementParser.TypeNameListContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.typeNameList()`.
`T`	`visitUescape(OpenGaussStatementParser.UescapeContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.uescape()`.
`T`	`visitUnicodeNormalForm(OpenGaussStatementParser.UnicodeNormalFormContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.unicodeNormalForm()`.
`T`	`visitUnlisten(OpenGaussStatementParser.UnlistenContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.unlisten()`.
`T`	`visitUnreservedWord(OpenGaussStatementParser.UnreservedWordContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.unreservedWord()`.
`T`	`visitUpdate(OpenGaussStatementParser.UpdateContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.update()`.
`T`	`visitUsingClause(OpenGaussStatementParser.UsingClauseContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.usingClause()`.
`T`	`visitVacAnalyzeOptionArg(OpenGaussStatementParser.VacAnalyzeOptionArgContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.vacAnalyzeOptionArg()`.
`T`	`visitVacAnalyzeOptionElem(OpenGaussStatementParser.VacAnalyzeOptionElemContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.vacAnalyzeOptionElem()`.
`T`	`visitVacAnalyzeOptionList(OpenGaussStatementParser.VacAnalyzeOptionListContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.vacAnalyzeOptionList()`.
`T`	`visitVacAnalyzeOptionName(OpenGaussStatementParser.VacAnalyzeOptionNameContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.vacAnalyzeOptionName()`.
`T`	`visitVacuum(OpenGaussStatementParser.VacuumContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.vacuum()`.
`T`	`visitVacuumRelation(OpenGaussStatementParser.VacuumRelationContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.vacuumRelation()`.
`T`	`visitVacuumRelationList(OpenGaussStatementParser.VacuumRelationListContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.vacuumRelationList()`.
`T`	`visitValidateConstraintSpecification(OpenGaussStatementParser.ValidateConstraintSpecificationContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.validateConstraintSpecification()`.
`T`	`visitValidatorClause(OpenGaussStatementParser.ValidatorClauseContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.validatorClause()`.
`T`	`visitValuesClause(OpenGaussStatementParser.ValuesClauseContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.valuesClause()`.
`T`	`visitVariableResetStmt(OpenGaussStatementParser.VariableResetStmtContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.variableResetStmt()`.
`T`	`visitVarList(OpenGaussStatementParser.VarListContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.varList()`.
`T`	`visitVarName(OpenGaussStatementParser.VarNameContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.varName()`.
`T`	`visitVarValue(OpenGaussStatementParser.VarValueContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.varValue()`.
`T`	`visitWhenClause(OpenGaussStatementParser.WhenClauseContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.whenClause()`.
`T`	`visitWhenClauseList(OpenGaussStatementParser.WhenClauseListContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.whenClauseList()`.
`T`	`visitWhereClause(OpenGaussStatementParser.WhereClauseContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.whereClause()`.
`T`	`visitWhereOrCurrentClause(OpenGaussStatementParser.WhereOrCurrentClauseContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.whereOrCurrentClause()`.
`T`	`visitWindowClause(OpenGaussStatementParser.WindowClauseContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.windowClause()`.
`T`	`visitWindowDefinition(OpenGaussStatementParser.WindowDefinitionContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.windowDefinition()`.
`T`	`visitWindowDefinitionList(OpenGaussStatementParser.WindowDefinitionListContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.windowDefinitionList()`.
`T`	`visitWindowExclusionClause(OpenGaussStatementParser.WindowExclusionClauseContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.windowExclusionClause()`.
`T`	`visitWindowName(OpenGaussStatementParser.WindowNameContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.windowName()`.
`T`	`visitWindowSpecification(OpenGaussStatementParser.WindowSpecificationContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.windowSpecification()`.
`T`	`visitWithClause(OpenGaussStatementParser.WithClauseContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.withClause()`.
`T`	`visitWithData(OpenGaussStatementParser.WithDataContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.withData()`.
`T`	`visitWithinGroupClause(OpenGaussStatementParser.WithinGroupClauseContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.withinGroupClause()`.
`T`	`visitWithOption(OpenGaussStatementParser.WithOptionContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.withOption()`.
`T`	`visitXmlAttributeEl(OpenGaussStatementParser.XmlAttributeElContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.xmlAttributeEl()`.
`T`	`visitXmlAttributeList(OpenGaussStatementParser.XmlAttributeListContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.xmlAttributeList()`.
`T`	`visitXmlAttributes(OpenGaussStatementParser.XmlAttributesContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.xmlAttributes()`.
`T`	`visitXmlExistsArgument(OpenGaussStatementParser.XmlExistsArgumentContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.xmlExistsArgument()`.
`T`	`visitXmlNamespaceEl(OpenGaussStatementParser.XmlNamespaceElContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.xmlNamespaceEl()`.
`T`	`visitXmlNamespaceList(OpenGaussStatementParser.XmlNamespaceListContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.xmlNamespaceList()`.
`T`	`visitXmlPassingMech(OpenGaussStatementParser.XmlPassingMechContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.xmlPassingMech()`.
`T`	`visitXmlRootStandalone(OpenGaussStatementParser.XmlRootStandaloneContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.xmlRootStandalone()`.
`T`	`visitXmlRootVersion(OpenGaussStatementParser.XmlRootVersionContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.xmlRootVersion()`.
`T`	`visitXmlTable(OpenGaussStatementParser.XmlTableContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.xmlTable()`.
`T`	`visitXmlTableColumnEl(OpenGaussStatementParser.XmlTableColumnElContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.xmlTableColumnEl()`.
`T`	`visitXmlTableColumnList(OpenGaussStatementParser.XmlTableColumnListContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.xmlTableColumnList()`.
`T`	`visitXmlTableColumnOptionEl(OpenGaussStatementParser.XmlTableColumnOptionElContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.xmlTableColumnOptionEl()`.
`T`	`visitXmlTableColumnOptionList(OpenGaussStatementParser.XmlTableColumnOptionListContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.xmlTableColumnOptionList()`.
`T`	`visitXmlWhitespaceOption(OpenGaussStatementParser.XmlWhitespaceOptionContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.xmlWhitespaceOption()`.
`T`	`visitZoneValue(OpenGaussStatementParser.ZoneValueContext ctx)` Visit a parse tree produced by `OpenGaussStatementParser.zoneValue()`.

Methods inherited from class org.antlr.v4.runtime.tree.AbstractParseTreeVisitor
aggregateResult, defaultResult, shouldVisitNextChild, visit, visitChildren, visitErrorNode, visitTerminal

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface org.antlr.v4.runtime.tree.ParseTreeVisitor
visit, visitChildren, visitErrorNode, visitTerminal

- Constructor Detail
  - OpenGaussStatementBaseVisitor
```
public OpenGaussStatementBaseVisitor()
```
- Method Detail
  - visitExecute
```
public T visitExecute(OpenGaussStatementParser.ExecuteContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.execute().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitExecute in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitSetTransaction
```
public T visitSetTransaction(OpenGaussStatementParser.SetTransactionContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.setTransaction().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitSetTransaction in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitBeginTransaction
```
public T visitBeginTransaction(OpenGaussStatementParser.BeginTransactionContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.beginTransaction().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitBeginTransaction in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitCommit
```
public T visitCommit(OpenGaussStatementParser.CommitContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.commit().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitCommit in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitSavepoint
```
public T visitSavepoint(OpenGaussStatementParser.SavepointContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.savepoint().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitSavepoint in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitAbort
```
public T visitAbort(OpenGaussStatementParser.AbortContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.abort().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitAbort in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitStartTransaction
```
public T visitStartTransaction(OpenGaussStatementParser.StartTransactionContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.startTransaction().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitStartTransaction in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitEnd
```
public T visitEnd(OpenGaussStatementParser.EndContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.end().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitEnd in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitRollback
```
public T visitRollback(OpenGaussStatementParser.RollbackContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.rollback().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitRollback in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitReleaseSavepoint
```
public T visitReleaseSavepoint(OpenGaussStatementParser.ReleaseSavepointContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.releaseSavepoint().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitReleaseSavepoint in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitRollbackToSavepoint
```
public T visitRollbackToSavepoint(OpenGaussStatementParser.RollbackToSavepointContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.rollbackToSavepoint().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitRollbackToSavepoint in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitPrepareTransaction
```
public T visitPrepareTransaction(OpenGaussStatementParser.PrepareTransactionContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.prepareTransaction().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitPrepareTransaction in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitCommitPrepared
```
public T visitCommitPrepared(OpenGaussStatementParser.CommitPreparedContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.commitPrepared().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitCommitPrepared in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitRollbackPrepared
```
public T visitRollbackPrepared(OpenGaussStatementParser.RollbackPreparedContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.rollbackPrepared().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitRollbackPrepared in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitSetConstraints
```
public T visitSetConstraints(OpenGaussStatementParser.SetConstraintsContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.setConstraints().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitSetConstraints in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitConstraintsSetMode
```
public T visitConstraintsSetMode(OpenGaussStatementParser.ConstraintsSetModeContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.constraintsSetMode().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitConstraintsSetMode in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitConstraintsSetList
```
public T visitConstraintsSetList(OpenGaussStatementParser.ConstraintsSetListContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.constraintsSetList().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitConstraintsSetList in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitInsert
```
public T visitInsert(OpenGaussStatementParser.InsertContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.insert().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitInsert in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitInsertTarget
```
public T visitInsertTarget(OpenGaussStatementParser.InsertTargetContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.insertTarget().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitInsertTarget in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitInsertRest
```
public T visitInsertRest(OpenGaussStatementParser.InsertRestContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.insertRest().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitInsertRest in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitOverrideKind
```
public T visitOverrideKind(OpenGaussStatementParser.OverrideKindContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.overrideKind().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitOverrideKind in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitInsertColumnList
```
public T visitInsertColumnList(OpenGaussStatementParser.InsertColumnListContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.insertColumnList().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitInsertColumnList in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitInsertColumnItem
```
public T visitInsertColumnItem(OpenGaussStatementParser.InsertColumnItemContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.insertColumnItem().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitInsertColumnItem in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitOptOnDuplicateKey
```
public T visitOptOnDuplicateKey(OpenGaussStatementParser.OptOnDuplicateKeyContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.optOnDuplicateKey().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitOptOnDuplicateKey in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitAssignment
```
public T visitAssignment(OpenGaussStatementParser.AssignmentContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.assignment().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitAssignment in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitUpdate
```
public T visitUpdate(OpenGaussStatementParser.UpdateContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.update().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitUpdate in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitSetClauseList
```
public T visitSetClauseList(OpenGaussStatementParser.SetClauseListContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.setClauseList().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitSetClauseList in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitSetClause
```
public T visitSetClause(OpenGaussStatementParser.SetClauseContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.setClause().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitSetClause in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitSetTarget
```
public T visitSetTarget(OpenGaussStatementParser.SetTargetContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.setTarget().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitSetTarget in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitSetTargetList
```
public T visitSetTargetList(OpenGaussStatementParser.SetTargetListContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.setTargetList().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitSetTargetList in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitReturningClause
```
public T visitReturningClause(OpenGaussStatementParser.ReturningClauseContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.returningClause().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitReturningClause in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitDelete
```
public T visitDelete(OpenGaussStatementParser.DeleteContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.delete().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitDelete in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitRelationExprOptAlias
```
public T visitRelationExprOptAlias(OpenGaussStatementParser.RelationExprOptAliasContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.relationExprOptAlias().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitRelationExprOptAlias in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitUsingClause
```
public T visitUsingClause(OpenGaussStatementParser.UsingClauseContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.usingClause().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitUsingClause in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitSelect
```
public T visitSelect(OpenGaussStatementParser.SelectContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.select().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitSelect in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitSelectWithParens
```
public T visitSelectWithParens(OpenGaussStatementParser.SelectWithParensContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.selectWithParens().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitSelectWithParens in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitSelectNoParens
```
public T visitSelectNoParens(OpenGaussStatementParser.SelectNoParensContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.selectNoParens().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitSelectNoParens in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitSelectClauseN
```
public T visitSelectClauseN(OpenGaussStatementParser.SelectClauseNContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.selectClauseN().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitSelectClauseN in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitSimpleSelect
```
public T visitSimpleSelect(OpenGaussStatementParser.SimpleSelectContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.simpleSelect().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitSimpleSelect in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitWithClause
```
public T visitWithClause(OpenGaussStatementParser.WithClauseContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.withClause().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitWithClause in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitIntoClause
```
public T visitIntoClause(OpenGaussStatementParser.IntoClauseContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.intoClause().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitIntoClause in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitOptTempTableName
```
public T visitOptTempTableName(OpenGaussStatementParser.OptTempTableNameContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.optTempTableName().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitOptTempTableName in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitCteList
```
public T visitCteList(OpenGaussStatementParser.CteListContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.cteList().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitCteList in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitCommonTableExpr
```
public T visitCommonTableExpr(OpenGaussStatementParser.CommonTableExprContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.commonTableExpr().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitCommonTableExpr in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitOptMaterialized
```
public T visitOptMaterialized(OpenGaussStatementParser.OptMaterializedContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.optMaterialized().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitOptMaterialized in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitOptNameList
```
public T visitOptNameList(OpenGaussStatementParser.OptNameListContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.optNameList().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitOptNameList in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitPreparableStmt
```
public T visitPreparableStmt(OpenGaussStatementParser.PreparableStmtContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.preparableStmt().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitPreparableStmt in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitForLockingClause
```
public T visitForLockingClause(OpenGaussStatementParser.ForLockingClauseContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.forLockingClause().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitForLockingClause in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitForLockingItems
```
public T visitForLockingItems(OpenGaussStatementParser.ForLockingItemsContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.forLockingItems().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitForLockingItems in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitForLockingItem
```
public T visitForLockingItem(OpenGaussStatementParser.ForLockingItemContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.forLockingItem().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitForLockingItem in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitNowaitOrSkip
```
public T visitNowaitOrSkip(OpenGaussStatementParser.NowaitOrSkipContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.nowaitOrSkip().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitNowaitOrSkip in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitForLockingStrength
```
public T visitForLockingStrength(OpenGaussStatementParser.ForLockingStrengthContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.forLockingStrength().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitForLockingStrength in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitLockedRelsList
```
public T visitLockedRelsList(OpenGaussStatementParser.LockedRelsListContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.lockedRelsList().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitLockedRelsList in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitQualifiedNameList
```
public T visitQualifiedNameList(OpenGaussStatementParser.QualifiedNameListContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.qualifiedNameList().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitQualifiedNameList in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitSelectLimit
```
public T visitSelectLimit(OpenGaussStatementParser.SelectLimitContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.selectLimit().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitSelectLimit in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitValuesClause
```
public T visitValuesClause(OpenGaussStatementParser.ValuesClauseContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.valuesClause().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitValuesClause in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitLimitClause
```
public T visitLimitClause(OpenGaussStatementParser.LimitClauseContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.limitClause().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitLimitClause in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitOffsetClause
```
public T visitOffsetClause(OpenGaussStatementParser.OffsetClauseContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.offsetClause().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitOffsetClause in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitSelectLimitValue
```
public T visitSelectLimitValue(OpenGaussStatementParser.SelectLimitValueContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.selectLimitValue().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitSelectLimitValue in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitSelectOffsetValue
```
public T visitSelectOffsetValue(OpenGaussStatementParser.SelectOffsetValueContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.selectOffsetValue().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitSelectOffsetValue in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitSelectFetchFirstValue
```
public T visitSelectFetchFirstValue(OpenGaussStatementParser.SelectFetchFirstValueContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.selectFetchFirstValue().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitSelectFetchFirstValue in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitRowOrRows
```
public T visitRowOrRows(OpenGaussStatementParser.RowOrRowsContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.rowOrRows().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitRowOrRows in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitFirstOrNext
```
public T visitFirstOrNext(OpenGaussStatementParser.FirstOrNextContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.firstOrNext().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitFirstOrNext in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitTargetList
```
public T visitTargetList(OpenGaussStatementParser.TargetListContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.targetList().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitTargetList in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitTargetEl
```
public T visitTargetEl(OpenGaussStatementParser.TargetElContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.targetEl().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitTargetEl in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitGroupClause
```
public T visitGroupClause(OpenGaussStatementParser.GroupClauseContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.groupClause().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitGroupClause in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitGroupByList
```
public T visitGroupByList(OpenGaussStatementParser.GroupByListContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.groupByList().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitGroupByList in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitGroupByItem
```
public T visitGroupByItem(OpenGaussStatementParser.GroupByItemContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.groupByItem().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitGroupByItem in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitEmptyGroupingSet
```
public T visitEmptyGroupingSet(OpenGaussStatementParser.EmptyGroupingSetContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.emptyGroupingSet().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitEmptyGroupingSet in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitRollupClause
```
public T visitRollupClause(OpenGaussStatementParser.RollupClauseContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.rollupClause().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitRollupClause in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitCubeClause
```
public T visitCubeClause(OpenGaussStatementParser.CubeClauseContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.cubeClause().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitCubeClause in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitGroupingSetsClause
```
public T visitGroupingSetsClause(OpenGaussStatementParser.GroupingSetsClauseContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.groupingSetsClause().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitGroupingSetsClause in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitWindowClause
```
public T visitWindowClause(OpenGaussStatementParser.WindowClauseContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.windowClause().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitWindowClause in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitWindowDefinitionList
```
public T visitWindowDefinitionList(OpenGaussStatementParser.WindowDefinitionListContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.windowDefinitionList().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitWindowDefinitionList in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitWindowDefinition
```
public T visitWindowDefinition(OpenGaussStatementParser.WindowDefinitionContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.windowDefinition().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitWindowDefinition in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitWindowSpecification
```
public T visitWindowSpecification(OpenGaussStatementParser.WindowSpecificationContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.windowSpecification().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitWindowSpecification in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitExistingWindowName
```
public T visitExistingWindowName(OpenGaussStatementParser.ExistingWindowNameContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.existingWindowName().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitExistingWindowName in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitPartitionClause
```
public T visitPartitionClause(OpenGaussStatementParser.PartitionClauseContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.partitionClause().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitPartitionClause in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitFrameClause
```
public T visitFrameClause(OpenGaussStatementParser.FrameClauseContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.frameClause().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitFrameClause in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitFrameExtent
```
public T visitFrameExtent(OpenGaussStatementParser.FrameExtentContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.frameExtent().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitFrameExtent in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitFrameBound
```
public T visitFrameBound(OpenGaussStatementParser.FrameBoundContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.frameBound().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitFrameBound in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitOptWindowExclusionClause
```
public T visitOptWindowExclusionClause(OpenGaussStatementParser.OptWindowExclusionClauseContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.optWindowExclusionClause().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitOptWindowExclusionClause in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitAlias
```
public T visitAlias(OpenGaussStatementParser.AliasContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.alias().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitAlias in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitFromClause
```
public T visitFromClause(OpenGaussStatementParser.FromClauseContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.fromClause().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitFromClause in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitFromList
```
public T visitFromList(OpenGaussStatementParser.FromListContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.fromList().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitFromList in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitTableReference
```
public T visitTableReference(OpenGaussStatementParser.TableReferenceContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.tableReference().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitTableReference in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitJoinedTable
```
public T visitJoinedTable(OpenGaussStatementParser.JoinedTableContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.joinedTable().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitJoinedTable in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitCrossJoinType
```
public T visitCrossJoinType(OpenGaussStatementParser.CrossJoinTypeContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.crossJoinType().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitCrossJoinType in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitInnerJoinType
```
public T visitInnerJoinType(OpenGaussStatementParser.InnerJoinTypeContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.innerJoinType().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitInnerJoinType in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitOuterJoinType
```
public T visitOuterJoinType(OpenGaussStatementParser.OuterJoinTypeContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.outerJoinType().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitOuterJoinType in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitNaturalJoinType
```
public T visitNaturalJoinType(OpenGaussStatementParser.NaturalJoinTypeContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.naturalJoinType().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitNaturalJoinType in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitJoinQual
```
public T visitJoinQual(OpenGaussStatementParser.JoinQualContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.joinQual().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitJoinQual in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitRelationExpr
```
public T visitRelationExpr(OpenGaussStatementParser.RelationExprContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.relationExpr().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitRelationExpr in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitWhereClause
```
public T visitWhereClause(OpenGaussStatementParser.WhereClauseContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.whereClause().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitWhereClause in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitWhereOrCurrentClause
```
public T visitWhereOrCurrentClause(OpenGaussStatementParser.WhereOrCurrentClauseContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.whereOrCurrentClause().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitWhereOrCurrentClause in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitHavingClause
```
public T visitHavingClause(OpenGaussStatementParser.HavingClauseContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.havingClause().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitHavingClause in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitDoStatement
```
public T visitDoStatement(OpenGaussStatementParser.DoStatementContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.doStatement().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitDoStatement in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitDostmtOptList
```
public T visitDostmtOptList(OpenGaussStatementParser.DostmtOptListContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.dostmtOptList().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitDostmtOptList in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitDostmtOptItem
```
public T visitDostmtOptItem(OpenGaussStatementParser.DostmtOptItemContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.dostmtOptItem().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitDostmtOptItem in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitLock
```
public T visitLock(OpenGaussStatementParser.LockContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.lock().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitLock in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitLockType
```
public T visitLockType(OpenGaussStatementParser.LockTypeContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.lockType().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitLockType in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitCheckpoint
```
public T visitCheckpoint(OpenGaussStatementParser.CheckpointContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.checkpoint().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitCheckpoint in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitCopy
```
public T visitCopy(OpenGaussStatementParser.CopyContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.copy().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitCopy in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitCopyOptions
```
public T visitCopyOptions(OpenGaussStatementParser.CopyOptionsContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.copyOptions().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitCopyOptions in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitCopyGenericOptList
```
public T visitCopyGenericOptList(OpenGaussStatementParser.CopyGenericOptListContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.copyGenericOptList().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitCopyGenericOptList in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitCopyGenericOptElem
```
public T visitCopyGenericOptElem(OpenGaussStatementParser.CopyGenericOptElemContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.copyGenericOptElem().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitCopyGenericOptElem in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitCopyGenericOptArg
```
public T visitCopyGenericOptArg(OpenGaussStatementParser.CopyGenericOptArgContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.copyGenericOptArg().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitCopyGenericOptArg in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitCopyGenericOptArgList
```
public T visitCopyGenericOptArgList(OpenGaussStatementParser.CopyGenericOptArgListContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.copyGenericOptArgList().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitCopyGenericOptArgList in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitCopyGenericOptArgListItem
```
public T visitCopyGenericOptArgListItem(OpenGaussStatementParser.CopyGenericOptArgListItemContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.copyGenericOptArgListItem().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitCopyGenericOptArgListItem in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitCopyOptList
```
public T visitCopyOptList(OpenGaussStatementParser.CopyOptListContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.copyOptList().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitCopyOptList in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitCopyOptItem
```
public T visitCopyOptItem(OpenGaussStatementParser.CopyOptItemContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.copyOptItem().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitCopyOptItem in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitCopyDelimiter
```
public T visitCopyDelimiter(OpenGaussStatementParser.CopyDelimiterContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.copyDelimiter().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitCopyDelimiter in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitParameterMarker
```
public T visitParameterMarker(OpenGaussStatementParser.ParameterMarkerContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.parameterMarker().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitParameterMarker in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitReservedKeyword
```
public T visitReservedKeyword(OpenGaussStatementParser.ReservedKeywordContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.reservedKeyword().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitReservedKeyword in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitNumberLiterals
```
public T visitNumberLiterals(OpenGaussStatementParser.NumberLiteralsContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.numberLiterals().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitNumberLiterals in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitLiteralsType
```
public T visitLiteralsType(OpenGaussStatementParser.LiteralsTypeContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.literalsType().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitLiteralsType in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitIdentifier
```
public T visitIdentifier(OpenGaussStatementParser.IdentifierContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.identifier().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitIdentifier in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitUescape
```
public T visitUescape(OpenGaussStatementParser.UescapeContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.uescape().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitUescape in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitUnreservedWord
```
public T visitUnreservedWord(OpenGaussStatementParser.UnreservedWordContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.unreservedWord().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitUnreservedWord in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitTypeFuncNameKeyword
```
public T visitTypeFuncNameKeyword(OpenGaussStatementParser.TypeFuncNameKeywordContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.typeFuncNameKeyword().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitTypeFuncNameKeyword in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitSchemaName
```
public T visitSchemaName(OpenGaussStatementParser.SchemaNameContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.schemaName().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitSchemaName in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitSynonymName
```
public T visitSynonymName(OpenGaussStatementParser.SynonymNameContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.synonymName().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitSynonymName in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitObjectName
```
public T visitObjectName(OpenGaussStatementParser.ObjectNameContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.objectName().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitObjectName in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitTableName
```
public T visitTableName(OpenGaussStatementParser.TableNameContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.tableName().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitTableName in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitColumnName
```
public T visitColumnName(OpenGaussStatementParser.ColumnNameContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.columnName().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitColumnName in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitOwner
```
public T visitOwner(OpenGaussStatementParser.OwnerContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.owner().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitOwner in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitName
```
public T visitName(OpenGaussStatementParser.NameContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.name().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitName in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitTableNames
```
public T visitTableNames(OpenGaussStatementParser.TableNamesContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.tableNames().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitTableNames in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitColumnNames
```
public T visitColumnNames(OpenGaussStatementParser.ColumnNamesContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.columnNames().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitColumnNames in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitCollationName
```
public T visitCollationName(OpenGaussStatementParser.CollationNameContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.collationName().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitCollationName in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitIndexName
```
public T visitIndexName(OpenGaussStatementParser.IndexNameContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.indexName().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitIndexName in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitConstraintName
```
public T visitConstraintName(OpenGaussStatementParser.ConstraintNameContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.constraintName().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitConstraintName in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitPrimaryKey
```
public T visitPrimaryKey(OpenGaussStatementParser.PrimaryKeyContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.primaryKey().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitPrimaryKey in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitAndOperator
```
public T visitAndOperator(OpenGaussStatementParser.AndOperatorContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.andOperator().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitAndOperator in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitOrOperator
```
public T visitOrOperator(OpenGaussStatementParser.OrOperatorContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.orOperator().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitOrOperator in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitComparisonOperator
```
public T visitComparisonOperator(OpenGaussStatementParser.ComparisonOperatorContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.comparisonOperator().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitComparisonOperator in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitPatternMatchingOperator
```
public T visitPatternMatchingOperator(OpenGaussStatementParser.PatternMatchingOperatorContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.patternMatchingOperator().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitPatternMatchingOperator in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitCursorName
```
public T visitCursorName(OpenGaussStatementParser.CursorNameContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.cursorName().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitCursorName in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitAExpr
```
public T visitAExpr(OpenGaussStatementParser.AExprContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.aExpr().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitAExpr in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitBExpr
```
public T visitBExpr(OpenGaussStatementParser.BExprContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.bExpr().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitBExpr in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitCExpr
```
public T visitCExpr(OpenGaussStatementParser.CExprContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.cExpr().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitCExpr in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitIndirection
```
public T visitIndirection(OpenGaussStatementParser.IndirectionContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.indirection().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitIndirection in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitOptIndirection
```
public T visitOptIndirection(OpenGaussStatementParser.OptIndirectionContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.optIndirection().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitOptIndirection in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitIndirectionEl
```
public T visitIndirectionEl(OpenGaussStatementParser.IndirectionElContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.indirectionEl().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitIndirectionEl in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitSliceBound
```
public T visitSliceBound(OpenGaussStatementParser.SliceBoundContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.sliceBound().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitSliceBound in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitInExpr
```
public T visitInExpr(OpenGaussStatementParser.InExprContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.inExpr().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitInExpr in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitCaseExpr
```
public T visitCaseExpr(OpenGaussStatementParser.CaseExprContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.caseExpr().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitCaseExpr in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitWhenClauseList
```
public T visitWhenClauseList(OpenGaussStatementParser.WhenClauseListContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.whenClauseList().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitWhenClauseList in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitWhenClause
```
public T visitWhenClause(OpenGaussStatementParser.WhenClauseContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.whenClause().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitWhenClause in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitCaseDefault
```
public T visitCaseDefault(OpenGaussStatementParser.CaseDefaultContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.caseDefault().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitCaseDefault in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitCaseArg
```
public T visitCaseArg(OpenGaussStatementParser.CaseArgContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.caseArg().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitCaseArg in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitColumnref
```
public T visitColumnref(OpenGaussStatementParser.ColumnrefContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.columnref().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitColumnref in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitQualOp
```
public T visitQualOp(OpenGaussStatementParser.QualOpContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.qualOp().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitQualOp in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitSubqueryOp
```
public T visitSubqueryOp(OpenGaussStatementParser.SubqueryOpContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.subqueryOp().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitSubqueryOp in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitAllOp
```
public T visitAllOp(OpenGaussStatementParser.AllOpContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.allOp().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitAllOp in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitOp
```
public T visitOp(OpenGaussStatementParser.OpContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.op().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitOp in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitMathOperator
```
public T visitMathOperator(OpenGaussStatementParser.MathOperatorContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.mathOperator().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitMathOperator in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitJsonExtract
```
public T visitJsonExtract(OpenGaussStatementParser.JsonExtractContext ctx)
```
    Visit a parse tree produced by the jsonExtract labeled alternative in OpenGaussStatementParser.jsonOperator().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitJsonExtract in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitJsonExtractText
```
public T visitJsonExtractText(OpenGaussStatementParser.JsonExtractTextContext ctx)
```
    Visit a parse tree produced by the jsonExtractText labeled alternative in OpenGaussStatementParser.jsonOperator().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitJsonExtractText in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitJsonPathExtract
```
public T visitJsonPathExtract(OpenGaussStatementParser.JsonPathExtractContext ctx)
```
    Visit a parse tree produced by the jsonPathExtract labeled alternative in OpenGaussStatementParser.jsonOperator().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitJsonPathExtract in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitJsonPathExtractText
```
public T visitJsonPathExtractText(OpenGaussStatementParser.JsonPathExtractTextContext ctx)
```
    Visit a parse tree produced by the jsonPathExtractText labeled alternative in OpenGaussStatementParser.jsonOperator().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitJsonPathExtractText in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitJsonbContainRight
```
public T visitJsonbContainRight(OpenGaussStatementParser.JsonbContainRightContext ctx)
```
    Visit a parse tree produced by the jsonbContainRight labeled alternative in OpenGaussStatementParser.jsonOperator().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitJsonbContainRight in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitJsonbContainLeft
```
public T visitJsonbContainLeft(OpenGaussStatementParser.JsonbContainLeftContext ctx)
```
    Visit a parse tree produced by the jsonbContainLeft labeled alternative in OpenGaussStatementParser.jsonOperator().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitJsonbContainLeft in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitJsonbContainTopKey
```
public T visitJsonbContainTopKey(OpenGaussStatementParser.JsonbContainTopKeyContext ctx)
```
    Visit a parse tree produced by the jsonbContainTopKey labeled alternative in OpenGaussStatementParser.jsonOperator().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitJsonbContainTopKey in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitJsonbContainAnyTopKey
```
public T visitJsonbContainAnyTopKey(OpenGaussStatementParser.JsonbContainAnyTopKeyContext ctx)
```
    Visit a parse tree produced by the jsonbContainAnyTopKey labeled alternative in OpenGaussStatementParser.jsonOperator().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitJsonbContainAnyTopKey in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitJsonbContainAllTopKey
```
public T visitJsonbContainAllTopKey(OpenGaussStatementParser.JsonbContainAllTopKeyContext ctx)
```
    Visit a parse tree produced by the jsonbContainAllTopKey labeled alternative in OpenGaussStatementParser.jsonOperator().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitJsonbContainAllTopKey in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitJsonbConcat
```
public T visitJsonbConcat(OpenGaussStatementParser.JsonbConcatContext ctx)
```
    Visit a parse tree produced by the jsonbConcat labeled alternative in OpenGaussStatementParser.jsonOperator().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitJsonbConcat in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitJsonbDelete
```
public T visitJsonbDelete(OpenGaussStatementParser.JsonbDeleteContext ctx)
```
    Visit a parse tree produced by the jsonbDelete labeled alternative in OpenGaussStatementParser.jsonOperator().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitJsonbDelete in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitJsonbPathDelete
```
public T visitJsonbPathDelete(OpenGaussStatementParser.JsonbPathDeleteContext ctx)
```
    Visit a parse tree produced by the jsonbPathDelete labeled alternative in OpenGaussStatementParser.jsonOperator().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitJsonbPathDelete in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitJsonbPathContainAnyValue
```
public T visitJsonbPathContainAnyValue(OpenGaussStatementParser.JsonbPathContainAnyValueContext ctx)
```
    Visit a parse tree produced by the jsonbPathContainAnyValue labeled alternative in OpenGaussStatementParser.jsonOperator().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitJsonbPathContainAnyValue in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitJsonbPathPredicateCheck
```
public T visitJsonbPathPredicateCheck(OpenGaussStatementParser.JsonbPathPredicateCheckContext ctx)
```
    Visit a parse tree produced by the jsonbPathPredicateCheck labeled alternative in OpenGaussStatementParser.jsonOperator().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitJsonbPathPredicateCheck in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitGeometricOperator
```
public T visitGeometricOperator(OpenGaussStatementParser.GeometricOperatorContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.geometricOperator().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitGeometricOperator in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitQualAllOp
```
public T visitQualAllOp(OpenGaussStatementParser.QualAllOpContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.qualAllOp().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitQualAllOp in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitAscDesc
```
public T visitAscDesc(OpenGaussStatementParser.AscDescContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.ascDesc().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitAscDesc in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitAnyOperator
```
public T visitAnyOperator(OpenGaussStatementParser.AnyOperatorContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.anyOperator().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitAnyOperator in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitWindowExclusionClause
```
public T visitWindowExclusionClause(OpenGaussStatementParser.WindowExclusionClauseContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.windowExclusionClause().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitWindowExclusionClause in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitRow
```
public T visitRow(OpenGaussStatementParser.RowContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.row().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitRow in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitExplicitRow
```
public T visitExplicitRow(OpenGaussStatementParser.ExplicitRowContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.explicitRow().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitExplicitRow in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitImplicitRow
```
public T visitImplicitRow(OpenGaussStatementParser.ImplicitRowContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.implicitRow().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitImplicitRow in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitSubType
```
public T visitSubType(OpenGaussStatementParser.SubTypeContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.subType().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitSubType in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitArrayExpr
```
public T visitArrayExpr(OpenGaussStatementParser.ArrayExprContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.arrayExpr().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitArrayExpr in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitArrayExprList
```
public T visitArrayExprList(OpenGaussStatementParser.ArrayExprListContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.arrayExprList().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitArrayExprList in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitFuncArgList
```
public T visitFuncArgList(OpenGaussStatementParser.FuncArgListContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.funcArgList().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitFuncArgList in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitParamName
```
public T visitParamName(OpenGaussStatementParser.ParamNameContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.paramName().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitParamName in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitFuncArgExpr
```
public T visitFuncArgExpr(OpenGaussStatementParser.FuncArgExprContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.funcArgExpr().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitFuncArgExpr in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitTypeList
```
public T visitTypeList(OpenGaussStatementParser.TypeListContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.typeList().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitTypeList in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitFuncApplication
```
public T visitFuncApplication(OpenGaussStatementParser.FuncApplicationContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.funcApplication().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitFuncApplication in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitFuncName
```
public T visitFuncName(OpenGaussStatementParser.FuncNameContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.funcName().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitFuncName in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitAexprConst
```
public T visitAexprConst(OpenGaussStatementParser.AexprConstContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.aexprConst().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitAexprConst in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitNumberConst
```
public T visitNumberConst(OpenGaussStatementParser.NumberConstContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.numberConst().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitNumberConst in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitQualifiedName
```
public T visitQualifiedName(OpenGaussStatementParser.QualifiedNameContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.qualifiedName().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitQualifiedName in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitColId
```
public T visitColId(OpenGaussStatementParser.ColIdContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.colId().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitColId in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitTypeFunctionName
```
public T visitTypeFunctionName(OpenGaussStatementParser.TypeFunctionNameContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.typeFunctionName().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitTypeFunctionName in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitFunctionTable
```
public T visitFunctionTable(OpenGaussStatementParser.FunctionTableContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.functionTable().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitFunctionTable in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitXmlTable
```
public T visitXmlTable(OpenGaussStatementParser.XmlTableContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.xmlTable().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitXmlTable in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitXmlTableColumnList
```
public T visitXmlTableColumnList(OpenGaussStatementParser.XmlTableColumnListContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.xmlTableColumnList().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitXmlTableColumnList in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitXmlTableColumnEl
```
public T visitXmlTableColumnEl(OpenGaussStatementParser.XmlTableColumnElContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.xmlTableColumnEl().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitXmlTableColumnEl in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitXmlTableColumnOptionList
```
public T visitXmlTableColumnOptionList(OpenGaussStatementParser.XmlTableColumnOptionListContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.xmlTableColumnOptionList().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitXmlTableColumnOptionList in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitXmlTableColumnOptionEl
```
public T visitXmlTableColumnOptionEl(OpenGaussStatementParser.XmlTableColumnOptionElContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.xmlTableColumnOptionEl().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitXmlTableColumnOptionEl in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitXmlNamespaceList
```
public T visitXmlNamespaceList(OpenGaussStatementParser.XmlNamespaceListContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.xmlNamespaceList().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitXmlNamespaceList in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitXmlNamespaceEl
```
public T visitXmlNamespaceEl(OpenGaussStatementParser.XmlNamespaceElContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.xmlNamespaceEl().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitXmlNamespaceEl in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitFuncExpr
```
public T visitFuncExpr(OpenGaussStatementParser.FuncExprContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.funcExpr().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitFuncExpr in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitWithinGroupClause
```
public T visitWithinGroupClause(OpenGaussStatementParser.WithinGroupClauseContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.withinGroupClause().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitWithinGroupClause in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitFilterClause
```
public T visitFilterClause(OpenGaussStatementParser.FilterClauseContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.filterClause().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitFilterClause in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitFunctionExprWindowless
```
public T visitFunctionExprWindowless(OpenGaussStatementParser.FunctionExprWindowlessContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.functionExprWindowless().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitFunctionExprWindowless in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitOrdinality
```
public T visitOrdinality(OpenGaussStatementParser.OrdinalityContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.ordinality().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitOrdinality in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitFunctionExprCommonSubexpr
```
public T visitFunctionExprCommonSubexpr(OpenGaussStatementParser.FunctionExprCommonSubexprContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.functionExprCommonSubexpr().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitFunctionExprCommonSubexpr in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitTypeName
```
public T visitTypeName(OpenGaussStatementParser.TypeNameContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.typeName().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitTypeName in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitSimpleTypeName
```
public T visitSimpleTypeName(OpenGaussStatementParser.SimpleTypeNameContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.simpleTypeName().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitSimpleTypeName in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitExprList
```
public T visitExprList(OpenGaussStatementParser.ExprListContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.exprList().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitExprList in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitExtractList
```
public T visitExtractList(OpenGaussStatementParser.ExtractListContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.extractList().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitExtractList in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitExtractArg
```
public T visitExtractArg(OpenGaussStatementParser.ExtractArgContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.extractArg().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitExtractArg in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitGenericType
```
public T visitGenericType(OpenGaussStatementParser.GenericTypeContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.genericType().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitGenericType in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitTypeModifiers
```
public T visitTypeModifiers(OpenGaussStatementParser.TypeModifiersContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.typeModifiers().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitTypeModifiers in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitNumeric
```
public T visitNumeric(OpenGaussStatementParser.NumericContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.numeric().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitNumeric in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitConstDatetime
```
public T visitConstDatetime(OpenGaussStatementParser.ConstDatetimeContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.constDatetime().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitConstDatetime in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitTimezone
```
public T visitTimezone(OpenGaussStatementParser.TimezoneContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.timezone().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitTimezone in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitCharacter
```
public T visitCharacter(OpenGaussStatementParser.CharacterContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.character().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitCharacter in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitCharacterWithLength
```
public T visitCharacterWithLength(OpenGaussStatementParser.CharacterWithLengthContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.characterWithLength().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitCharacterWithLength in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitCharacterWithoutLength
```
public T visitCharacterWithoutLength(OpenGaussStatementParser.CharacterWithoutLengthContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.characterWithoutLength().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitCharacterWithoutLength in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitCharacterClause
```
public T visitCharacterClause(OpenGaussStatementParser.CharacterClauseContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.characterClause().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitCharacterClause in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitOptFloat
```
public T visitOptFloat(OpenGaussStatementParser.OptFloatContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.optFloat().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitOptFloat in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitAttrs
```
public T visitAttrs(OpenGaussStatementParser.AttrsContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.attrs().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitAttrs in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitAttrName
```
public T visitAttrName(OpenGaussStatementParser.AttrNameContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.attrName().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitAttrName in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitColLable
```
public T visitColLable(OpenGaussStatementParser.ColLableContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.colLable().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitColLable in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitBit
```
public T visitBit(OpenGaussStatementParser.BitContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.bit().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitBit in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitBitWithLength
```
public T visitBitWithLength(OpenGaussStatementParser.BitWithLengthContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.bitWithLength().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitBitWithLength in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitBitWithoutLength
```
public T visitBitWithoutLength(OpenGaussStatementParser.BitWithoutLengthContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.bitWithoutLength().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitBitWithoutLength in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitConstInterval
```
public T visitConstInterval(OpenGaussStatementParser.ConstIntervalContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.constInterval().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitConstInterval in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitOptInterval
```
public T visitOptInterval(OpenGaussStatementParser.OptIntervalContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.optInterval().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitOptInterval in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitOptArrayBounds
```
public T visitOptArrayBounds(OpenGaussStatementParser.OptArrayBoundsContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.optArrayBounds().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitOptArrayBounds in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitIntervalSecond
```
public T visitIntervalSecond(OpenGaussStatementParser.IntervalSecondContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.intervalSecond().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitIntervalSecond in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitUnicodeNormalForm
```
public T visitUnicodeNormalForm(OpenGaussStatementParser.UnicodeNormalFormContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.unicodeNormalForm().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitUnicodeNormalForm in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitTrimList
```
public T visitTrimList(OpenGaussStatementParser.TrimListContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.trimList().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitTrimList in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitOverlayList
```
public T visitOverlayList(OpenGaussStatementParser.OverlayListContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.overlayList().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitOverlayList in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitOverlayPlacing
```
public T visitOverlayPlacing(OpenGaussStatementParser.OverlayPlacingContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.overlayPlacing().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitOverlayPlacing in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitSubstrFrom
```
public T visitSubstrFrom(OpenGaussStatementParser.SubstrFromContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.substrFrom().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitSubstrFrom in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitSubstrFor
```
public T visitSubstrFor(OpenGaussStatementParser.SubstrForContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.substrFor().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitSubstrFor in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitPositionList
```
public T visitPositionList(OpenGaussStatementParser.PositionListContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.positionList().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitPositionList in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitSubstrList
```
public T visitSubstrList(OpenGaussStatementParser.SubstrListContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.substrList().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitSubstrList in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitXmlAttributes
```
public T visitXmlAttributes(OpenGaussStatementParser.XmlAttributesContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.xmlAttributes().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitXmlAttributes in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitXmlAttributeList
```
public T visitXmlAttributeList(OpenGaussStatementParser.XmlAttributeListContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.xmlAttributeList().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitXmlAttributeList in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitXmlAttributeEl
```
public T visitXmlAttributeEl(OpenGaussStatementParser.XmlAttributeElContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.xmlAttributeEl().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitXmlAttributeEl in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitXmlExistsArgument
```
public T visitXmlExistsArgument(OpenGaussStatementParser.XmlExistsArgumentContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.xmlExistsArgument().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitXmlExistsArgument in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitXmlPassingMech
```
public T visitXmlPassingMech(OpenGaussStatementParser.XmlPassingMechContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.xmlPassingMech().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitXmlPassingMech in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitDocumentOrContent
```
public T visitDocumentOrContent(OpenGaussStatementParser.DocumentOrContentContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.documentOrContent().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitDocumentOrContent in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitXmlWhitespaceOption
```
public T visitXmlWhitespaceOption(OpenGaussStatementParser.XmlWhitespaceOptionContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.xmlWhitespaceOption().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitXmlWhitespaceOption in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitXmlRootVersion
```
public T visitXmlRootVersion(OpenGaussStatementParser.XmlRootVersionContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.xmlRootVersion().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitXmlRootVersion in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitXmlRootStandalone
```
public T visitXmlRootStandalone(OpenGaussStatementParser.XmlRootStandaloneContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.xmlRootStandalone().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitXmlRootStandalone in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitRowsFromItem
```
public T visitRowsFromItem(OpenGaussStatementParser.RowsFromItemContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.rowsFromItem().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitRowsFromItem in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitRowsFromList
```
public T visitRowsFromList(OpenGaussStatementParser.RowsFromListContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.rowsFromList().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitRowsFromList in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitColumnDefList
```
public T visitColumnDefList(OpenGaussStatementParser.ColumnDefListContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.columnDefList().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitColumnDefList in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitTableFuncElementList
```
public T visitTableFuncElementList(OpenGaussStatementParser.TableFuncElementListContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.tableFuncElementList().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitTableFuncElementList in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitTableFuncElement
```
public T visitTableFuncElement(OpenGaussStatementParser.TableFuncElementContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.tableFuncElement().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitTableFuncElement in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitCollateClause
```
public T visitCollateClause(OpenGaussStatementParser.CollateClauseContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.collateClause().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitCollateClause in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitAnyName
```
public T visitAnyName(OpenGaussStatementParser.AnyNameContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.anyName().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitAnyName in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitAliasClause
```
public T visitAliasClause(OpenGaussStatementParser.AliasClauseContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.aliasClause().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitAliasClause in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitDirectoryName
```
public T visitDirectoryName(OpenGaussStatementParser.DirectoryNameContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.directoryName().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitDirectoryName in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitPackageName
```
public T visitPackageName(OpenGaussStatementParser.PackageNameContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.packageName().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitPackageName in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitPathString
```
public T visitPathString(OpenGaussStatementParser.PathStringContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.pathString().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitPathString in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitNameList
```
public T visitNameList(OpenGaussStatementParser.NameListContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.nameList().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitNameList in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitFuncAliasClause
```
public T visitFuncAliasClause(OpenGaussStatementParser.FuncAliasClauseContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.funcAliasClause().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitFuncAliasClause in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitTablesampleClause
```
public T visitTablesampleClause(OpenGaussStatementParser.TablesampleClauseContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.tablesampleClause().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitTablesampleClause in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitRepeatableClause
```
public T visitRepeatableClause(OpenGaussStatementParser.RepeatableClauseContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.repeatableClause().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitRepeatableClause in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitAllOrDistinct
```
public T visitAllOrDistinct(OpenGaussStatementParser.AllOrDistinctContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.allOrDistinct().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitAllOrDistinct in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitSortClause
```
public T visitSortClause(OpenGaussStatementParser.SortClauseContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.sortClause().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitSortClause in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitSortbyList
```
public T visitSortbyList(OpenGaussStatementParser.SortbyListContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.sortbyList().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitSortbyList in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitSortby
```
public T visitSortby(OpenGaussStatementParser.SortbyContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.sortby().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitSortby in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitNullsOrder
```
public T visitNullsOrder(OpenGaussStatementParser.NullsOrderContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.nullsOrder().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitNullsOrder in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitDistinctClause
```
public T visitDistinctClause(OpenGaussStatementParser.DistinctClauseContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.distinctClause().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitDistinctClause in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitDistinct
```
public T visitDistinct(OpenGaussStatementParser.DistinctContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.distinct().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitDistinct in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitOverClause
```
public T visitOverClause(OpenGaussStatementParser.OverClauseContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.overClause().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitOverClause in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitWindowName
```
public T visitWindowName(OpenGaussStatementParser.WindowNameContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.windowName().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitWindowName in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitIndexParams
```
public T visitIndexParams(OpenGaussStatementParser.IndexParamsContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.indexParams().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitIndexParams in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitIndexElemOptions
```
public T visitIndexElemOptions(OpenGaussStatementParser.IndexElemOptionsContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.indexElemOptions().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitIndexElemOptions in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitIndexElem
```
public T visitIndexElem(OpenGaussStatementParser.IndexElemContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.indexElem().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitIndexElem in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitCollate
```
public T visitCollate(OpenGaussStatementParser.CollateContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.collate().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitCollate in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitOptClass
```
public T visitOptClass(OpenGaussStatementParser.OptClassContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.optClass().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitOptClass in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitReloptions
```
public T visitReloptions(OpenGaussStatementParser.ReloptionsContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.reloptions().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitReloptions in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitReloptionList
```
public T visitReloptionList(OpenGaussStatementParser.ReloptionListContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.reloptionList().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitReloptionList in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitReloptionElem
```
public T visitReloptionElem(OpenGaussStatementParser.ReloptionElemContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.reloptionElem().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitReloptionElem in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitDefArg
```
public T visitDefArg(OpenGaussStatementParser.DefArgContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.defArg().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitDefArg in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitFuncType
```
public T visitFuncType(OpenGaussStatementParser.FuncTypeContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.funcType().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitFuncType in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitDataType
```
public T visitDataType(OpenGaussStatementParser.DataTypeContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.dataType().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitDataType in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitDataTypeName
```
public T visitDataTypeName(OpenGaussStatementParser.DataTypeNameContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.dataTypeName().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitDataTypeName in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitDataTypeLength
```
public T visitDataTypeLength(OpenGaussStatementParser.DataTypeLengthContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.dataTypeLength().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitDataTypeLength in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitCharacterSet
```
public T visitCharacterSet(OpenGaussStatementParser.CharacterSetContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.characterSet().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitCharacterSet in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitIgnoredIdentifier
```
public T visitIgnoredIdentifier(OpenGaussStatementParser.IgnoredIdentifierContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.ignoredIdentifier().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitIgnoredIdentifier in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitIgnoredIdentifiers
```
public T visitIgnoredIdentifiers(OpenGaussStatementParser.IgnoredIdentifiersContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.ignoredIdentifiers().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitIgnoredIdentifiers in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitSignedIconst
```
public T visitSignedIconst(OpenGaussStatementParser.SignedIconstContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.signedIconst().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitSignedIconst in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitBooleanOrString
```
public T visitBooleanOrString(OpenGaussStatementParser.BooleanOrStringContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.booleanOrString().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitBooleanOrString in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitNonReservedWord
```
public T visitNonReservedWord(OpenGaussStatementParser.NonReservedWordContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.nonReservedWord().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitNonReservedWord in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitColNameKeyword
```
public T visitColNameKeyword(OpenGaussStatementParser.ColNameKeywordContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.colNameKeyword().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitColNameKeyword in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitDatabaseName
```
public T visitDatabaseName(OpenGaussStatementParser.DatabaseNameContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.databaseName().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitDatabaseName in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitRoleSpec
```
public T visitRoleSpec(OpenGaussStatementParser.RoleSpecContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.roleSpec().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitRoleSpec in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitVarName
```
public T visitVarName(OpenGaussStatementParser.VarNameContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.varName().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitVarName in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitVarList
```
public T visitVarList(OpenGaussStatementParser.VarListContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.varList().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitVarList in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitVarValue
```
public T visitVarValue(OpenGaussStatementParser.VarValueContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.varValue().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitVarValue in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitZoneValue
```
public T visitZoneValue(OpenGaussStatementParser.ZoneValueContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.zoneValue().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitZoneValue in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitNumericOnly
```
public T visitNumericOnly(OpenGaussStatementParser.NumericOnlyContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.numericOnly().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitNumericOnly in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitIsoLevel
```
public T visitIsoLevel(OpenGaussStatementParser.IsoLevelContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.isoLevel().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitIsoLevel in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitColumnDef
```
public T visitColumnDef(OpenGaussStatementParser.ColumnDefContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.columnDef().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitColumnDef in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitColQualList
```
public T visitColQualList(OpenGaussStatementParser.ColQualListContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.colQualList().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitColQualList in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitColConstraint
```
public T visitColConstraint(OpenGaussStatementParser.ColConstraintContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.colConstraint().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitColConstraint in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitConstraintAttr
```
public T visitConstraintAttr(OpenGaussStatementParser.ConstraintAttrContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.constraintAttr().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitConstraintAttr in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitColConstraintElem
```
public T visitColConstraintElem(OpenGaussStatementParser.ColConstraintElemContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.colConstraintElem().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitColConstraintElem in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitParenthesizedSeqOptList
```
public T visitParenthesizedSeqOptList(OpenGaussStatementParser.ParenthesizedSeqOptListContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.parenthesizedSeqOptList().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitParenthesizedSeqOptList in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitSeqOptList
```
public T visitSeqOptList(OpenGaussStatementParser.SeqOptListContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.seqOptList().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitSeqOptList in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitSeqOptElem
```
public T visitSeqOptElem(OpenGaussStatementParser.SeqOptElemContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.seqOptElem().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitSeqOptElem in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitOptColumnList
```
public T visitOptColumnList(OpenGaussStatementParser.OptColumnListContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.optColumnList().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitOptColumnList in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitColumnElem
```
public T visitColumnElem(OpenGaussStatementParser.ColumnElemContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.columnElem().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitColumnElem in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitColumnList
```
public T visitColumnList(OpenGaussStatementParser.ColumnListContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.columnList().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitColumnList in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitGeneratedWhen
```
public T visitGeneratedWhen(OpenGaussStatementParser.GeneratedWhenContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.generatedWhen().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitGeneratedWhen in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitNoInherit
```
public T visitNoInherit(OpenGaussStatementParser.NoInheritContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.noInherit().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitNoInherit in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitConsTableSpace
```
public T visitConsTableSpace(OpenGaussStatementParser.ConsTableSpaceContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.consTableSpace().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitConsTableSpace in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitDefinition
```
public T visitDefinition(OpenGaussStatementParser.DefinitionContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.definition().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitDefinition in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitDefList
```
public T visitDefList(OpenGaussStatementParser.DefListContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.defList().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitDefList in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitDefElem
```
public T visitDefElem(OpenGaussStatementParser.DefElemContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.defElem().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitDefElem in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitColLabel
```
public T visitColLabel(OpenGaussStatementParser.ColLabelContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.colLabel().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitColLabel in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitKeyActions
```
public T visitKeyActions(OpenGaussStatementParser.KeyActionsContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.keyActions().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitKeyActions in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitKeyDelete
```
public T visitKeyDelete(OpenGaussStatementParser.KeyDeleteContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.keyDelete().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitKeyDelete in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitKeyUpdate
```
public T visitKeyUpdate(OpenGaussStatementParser.KeyUpdateContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.keyUpdate().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitKeyUpdate in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitKeyAction
```
public T visitKeyAction(OpenGaussStatementParser.KeyActionContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.keyAction().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitKeyAction in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitKeyMatch
```
public T visitKeyMatch(OpenGaussStatementParser.KeyMatchContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.keyMatch().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitKeyMatch in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitCreateGenericOptions
```
public T visitCreateGenericOptions(OpenGaussStatementParser.CreateGenericOptionsContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.createGenericOptions().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitCreateGenericOptions in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitGenericOptionList
```
public T visitGenericOptionList(OpenGaussStatementParser.GenericOptionListContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.genericOptionList().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitGenericOptionList in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitGenericOptionElem
```
public T visitGenericOptionElem(OpenGaussStatementParser.GenericOptionElemContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.genericOptionElem().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitGenericOptionElem in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitGenericOptionArg
```
public T visitGenericOptionArg(OpenGaussStatementParser.GenericOptionArgContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.genericOptionArg().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitGenericOptionArg in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitGenericOptionName
```
public T visitGenericOptionName(OpenGaussStatementParser.GenericOptionNameContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.genericOptionName().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitGenericOptionName in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitReplicaIdentity
```
public T visitReplicaIdentity(OpenGaussStatementParser.ReplicaIdentityContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.replicaIdentity().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitReplicaIdentity in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitOperArgtypes
```
public T visitOperArgtypes(OpenGaussStatementParser.OperArgtypesContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.operArgtypes().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitOperArgtypes in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitFuncArg
```
public T visitFuncArg(OpenGaussStatementParser.FuncArgContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.funcArg().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitFuncArg in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitArgClass
```
public T visitArgClass(OpenGaussStatementParser.ArgClassContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.argClass().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitArgClass in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitFuncArgsList
```
public T visitFuncArgsList(OpenGaussStatementParser.FuncArgsListContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.funcArgsList().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitFuncArgsList in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitNonReservedWordOrSconst
```
public T visitNonReservedWordOrSconst(OpenGaussStatementParser.NonReservedWordOrSconstContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.nonReservedWordOrSconst().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitNonReservedWordOrSconst in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitFileName
```
public T visitFileName(OpenGaussStatementParser.FileNameContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.fileName().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitFileName in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitRoleList
```
public T visitRoleList(OpenGaussStatementParser.RoleListContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.roleList().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitRoleList in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitSetResetClause
```
public T visitSetResetClause(OpenGaussStatementParser.SetResetClauseContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.setResetClause().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitSetResetClause in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitSetRest
```
public T visitSetRest(OpenGaussStatementParser.SetRestContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.setRest().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitSetRest in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitTransactionModeList
```
public T visitTransactionModeList(OpenGaussStatementParser.TransactionModeListContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.transactionModeList().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitTransactionModeList in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitTransactionModeItem
```
public T visitTransactionModeItem(OpenGaussStatementParser.TransactionModeItemContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.transactionModeItem().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitTransactionModeItem in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitSetRestMore
```
public T visitSetRestMore(OpenGaussStatementParser.SetRestMoreContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.setRestMore().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitSetRestMore in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitEncoding
```
public T visitEncoding(OpenGaussStatementParser.EncodingContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.encoding().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitEncoding in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitGenericSet
```
public T visitGenericSet(OpenGaussStatementParser.GenericSetContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.genericSet().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitGenericSet in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitVariableResetStmt
```
public T visitVariableResetStmt(OpenGaussStatementParser.VariableResetStmtContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.variableResetStmt().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitVariableResetStmt in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitResetRest
```
public T visitResetRest(OpenGaussStatementParser.ResetRestContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.resetRest().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitResetRest in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitGenericReset
```
public T visitGenericReset(OpenGaussStatementParser.GenericResetContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.genericReset().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitGenericReset in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitRelationExprList
```
public T visitRelationExprList(OpenGaussStatementParser.RelationExprListContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.relationExprList().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitRelationExprList in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitCommonFuncOptItem
```
public T visitCommonFuncOptItem(OpenGaussStatementParser.CommonFuncOptItemContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.commonFuncOptItem().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitCommonFuncOptItem in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitFunctionSetResetClause
```
public T visitFunctionSetResetClause(OpenGaussStatementParser.FunctionSetResetClauseContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.functionSetResetClause().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitFunctionSetResetClause in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitRowSecurityCmd
```
public T visitRowSecurityCmd(OpenGaussStatementParser.RowSecurityCmdContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.rowSecurityCmd().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitRowSecurityCmd in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitEvent
```
public T visitEvent(OpenGaussStatementParser.EventContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.event().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitEvent in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitTypeNameList
```
public T visitTypeNameList(OpenGaussStatementParser.TypeNameListContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.typeNameList().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitTypeNameList in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitIfNotExists
```
public T visitIfNotExists(OpenGaussStatementParser.IfNotExistsContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.ifNotExists().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitIfNotExists in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitIfExists
```
public T visitIfExists(OpenGaussStatementParser.IfExistsContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.ifExists().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitIfExists in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitGrant
```
public T visitGrant(OpenGaussStatementParser.GrantContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.grant().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitGrant in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitRevoke
```
public T visitRevoke(OpenGaussStatementParser.RevokeContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.revoke().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitRevoke in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitOptionForClause
```
public T visitOptionForClause(OpenGaussStatementParser.OptionForClauseContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.optionForClause().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitOptionForClause in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitCreateUser
```
public T visitCreateUser(OpenGaussStatementParser.CreateUserContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.createUser().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitCreateUser in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitCreateOptRoleElem
```
public T visitCreateOptRoleElem(OpenGaussStatementParser.CreateOptRoleElemContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.createOptRoleElem().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitCreateOptRoleElem in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitAlterOptRoleElem
```
public T visitAlterOptRoleElem(OpenGaussStatementParser.AlterOptRoleElemContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.alterOptRoleElem().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitAlterOptRoleElem in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitDropUser
```
public T visitDropUser(OpenGaussStatementParser.DropUserContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.dropUser().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitDropUser in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitAlterUser
```
public T visitAlterUser(OpenGaussStatementParser.AlterUserContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.alterUser().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitAlterUser in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitAlterUserClauses
```
public T visitAlterUserClauses(OpenGaussStatementParser.AlterUserClausesContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.alterUserClauses().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitAlterUserClauses in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitAlterOptRoleList
```
public T visitAlterOptRoleList(OpenGaussStatementParser.AlterOptRoleListContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.alterOptRoleList().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitAlterOptRoleList in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitCreateRole
```
public T visitCreateRole(OpenGaussStatementParser.CreateRoleContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.createRole().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitCreateRole in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitDropRole
```
public T visitDropRole(OpenGaussStatementParser.DropRoleContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.dropRole().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitDropRole in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitAlterRole
```
public T visitAlterRole(OpenGaussStatementParser.AlterRoleContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.alterRole().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitAlterRole in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitCreateGroup
```
public T visitCreateGroup(OpenGaussStatementParser.CreateGroupContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.createGroup().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitCreateGroup in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitDropDroup
```
public T visitDropDroup(OpenGaussStatementParser.DropDroupContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.dropDroup().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitDropDroup in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitReassignOwned
```
public T visitReassignOwned(OpenGaussStatementParser.ReassignOwnedContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.reassignOwned().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitReassignOwned in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitCreateTable
```
public T visitCreateTable(OpenGaussStatementParser.CreateTableContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.createTable().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitCreateTable in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitExecuteParamClause
```
public T visitExecuteParamClause(OpenGaussStatementParser.ExecuteParamClauseContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.executeParamClause().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitExecuteParamClause in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitPartitionBoundSpec
```
public T visitPartitionBoundSpec(OpenGaussStatementParser.PartitionBoundSpecContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.partitionBoundSpec().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitPartitionBoundSpec in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitHashPartbound
```
public T visitHashPartbound(OpenGaussStatementParser.HashPartboundContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.hashPartbound().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitHashPartbound in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitHashPartboundElem
```
public T visitHashPartboundElem(OpenGaussStatementParser.HashPartboundElemContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.hashPartboundElem().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitHashPartboundElem in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitTypedTableElementList
```
public T visitTypedTableElementList(OpenGaussStatementParser.TypedTableElementListContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.typedTableElementList().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitTypedTableElementList in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitTypedTableElement
```
public T visitTypedTableElement(OpenGaussStatementParser.TypedTableElementContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.typedTableElement().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitTypedTableElement in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitColumnOptions
```
public T visitColumnOptions(OpenGaussStatementParser.ColumnOptionsContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.columnOptions().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitColumnOptions in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitWithData
```
public T visitWithData(OpenGaussStatementParser.WithDataContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.withData().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitWithData in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitTableSpace
```
public T visitTableSpace(OpenGaussStatementParser.TableSpaceContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.tableSpace().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitTableSpace in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitOnCommitOption
```
public T visitOnCommitOption(OpenGaussStatementParser.OnCommitOptionContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.onCommitOption().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitOnCommitOption in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitWithOption
```
public T visitWithOption(OpenGaussStatementParser.WithOptionContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.withOption().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitWithOption in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitTableAccessMethodClause
```
public T visitTableAccessMethodClause(OpenGaussStatementParser.TableAccessMethodClauseContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.tableAccessMethodClause().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitTableAccessMethodClause in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitAccessMethod
```
public T visitAccessMethod(OpenGaussStatementParser.AccessMethodContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.accessMethod().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitAccessMethod in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitCreateIndex
```
public T visitCreateIndex(OpenGaussStatementParser.CreateIndexContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.createIndex().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitCreateIndex in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitInclude
```
public T visitInclude(OpenGaussStatementParser.IncludeContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.include().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitInclude in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitIndexIncludingParams
```
public T visitIndexIncludingParams(OpenGaussStatementParser.IndexIncludingParamsContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.indexIncludingParams().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitIndexIncludingParams in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitAccessMethodClause
```
public T visitAccessMethodClause(OpenGaussStatementParser.AccessMethodClauseContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.accessMethodClause().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitAccessMethodClause in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitCreateDatabase
```
public T visitCreateDatabase(OpenGaussStatementParser.CreateDatabaseContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.createDatabase().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitCreateDatabase in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitCreateView
```
public T visitCreateView(OpenGaussStatementParser.CreateViewContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.createView().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitCreateView in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitDropDatabase
```
public T visitDropDatabase(OpenGaussStatementParser.DropDatabaseContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.dropDatabase().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitDropDatabase in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitDropDirectory
```
public T visitDropDirectory(OpenGaussStatementParser.DropDirectoryContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.dropDirectory().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitDropDirectory in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitCreateDatabaseSpecification
```
public T visitCreateDatabaseSpecification(OpenGaussStatementParser.CreateDatabaseSpecificationContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.createDatabaseSpecification().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitCreateDatabaseSpecification in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitCreatedbOptName
```
public T visitCreatedbOptName(OpenGaussStatementParser.CreatedbOptNameContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.createdbOptName().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitCreatedbOptName in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitAlterTable
```
public T visitAlterTable(OpenGaussStatementParser.AlterTableContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.alterTable().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitAlterTable in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitAlterIndex
```
public T visitAlterIndex(OpenGaussStatementParser.AlterIndexContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.alterIndex().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitAlterIndex in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitDropTable
```
public T visitDropTable(OpenGaussStatementParser.DropTableContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.dropTable().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitDropTable in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitDropTableOpt
```
public T visitDropTableOpt(OpenGaussStatementParser.DropTableOptContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.dropTableOpt().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitDropTableOpt in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitDropIndex
```
public T visitDropIndex(OpenGaussStatementParser.DropIndexContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.dropIndex().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitDropIndex in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitDropIndexOpt
```
public T visitDropIndexOpt(OpenGaussStatementParser.DropIndexOptContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.dropIndexOpt().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitDropIndexOpt in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitTruncateTable
```
public T visitTruncateTable(OpenGaussStatementParser.TruncateTableContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.truncateTable().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitTruncateTable in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitRestartSeqs
```
public T visitRestartSeqs(OpenGaussStatementParser.RestartSeqsContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.restartSeqs().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitRestartSeqs in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitCreateTableSpecification
```
public T visitCreateTableSpecification(OpenGaussStatementParser.CreateTableSpecificationContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.createTableSpecification().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitCreateTableSpecification in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitCreateDefinitionClause
```
public T visitCreateDefinitionClause(OpenGaussStatementParser.CreateDefinitionClauseContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.createDefinitionClause().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitCreateDefinitionClause in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitCreateDefinition
```
public T visitCreateDefinition(OpenGaussStatementParser.CreateDefinitionContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.createDefinition().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitCreateDefinition in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitColumnDefinition
```
public T visitColumnDefinition(OpenGaussStatementParser.ColumnDefinitionContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.columnDefinition().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitColumnDefinition in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitColumnConstraint
```
public T visitColumnConstraint(OpenGaussStatementParser.ColumnConstraintContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.columnConstraint().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitColumnConstraint in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitConstraintClause
```
public T visitConstraintClause(OpenGaussStatementParser.ConstraintClauseContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.constraintClause().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitConstraintClause in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitColumnConstraintOption
```
public T visitColumnConstraintOption(OpenGaussStatementParser.ColumnConstraintOptionContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.columnConstraintOption().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitColumnConstraintOption in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitCheckOption
```
public T visitCheckOption(OpenGaussStatementParser.CheckOptionContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.checkOption().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitCheckOption in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitDefaultExpr
```
public T visitDefaultExpr(OpenGaussStatementParser.DefaultExprContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.defaultExpr().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitDefaultExpr in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitSequenceOptions
```
public T visitSequenceOptions(OpenGaussStatementParser.SequenceOptionsContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.sequenceOptions().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitSequenceOptions in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitSequenceOption
```
public T visitSequenceOption(OpenGaussStatementParser.SequenceOptionContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.sequenceOption().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitSequenceOption in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitIndexParameters
```
public T visitIndexParameters(OpenGaussStatementParser.IndexParametersContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.indexParameters().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitIndexParameters in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitAction
```
public T visitAction(OpenGaussStatementParser.ActionContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.action().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitAction in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitConstraintOptionalParam
```
public T visitConstraintOptionalParam(OpenGaussStatementParser.ConstraintOptionalParamContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.constraintOptionalParam().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitConstraintOptionalParam in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitLikeOption
```
public T visitLikeOption(OpenGaussStatementParser.LikeOptionContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.likeOption().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitLikeOption in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitTableConstraint
```
public T visitTableConstraint(OpenGaussStatementParser.TableConstraintContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.tableConstraint().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitTableConstraint in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitTableConstraintOption
```
public T visitTableConstraintOption(OpenGaussStatementParser.TableConstraintOptionContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.tableConstraintOption().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitTableConstraintOption in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitExclusionWhereClause
```
public T visitExclusionWhereClause(OpenGaussStatementParser.ExclusionWhereClauseContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.exclusionWhereClause().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitExclusionWhereClause in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitExclusionConstraintList
```
public T visitExclusionConstraintList(OpenGaussStatementParser.ExclusionConstraintListContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.exclusionConstraintList().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitExclusionConstraintList in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitExclusionConstraintElem
```
public T visitExclusionConstraintElem(OpenGaussStatementParser.ExclusionConstraintElemContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.exclusionConstraintElem().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitExclusionConstraintElem in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitInheritClause
```
public T visitInheritClause(OpenGaussStatementParser.InheritClauseContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.inheritClause().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitInheritClause in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitPartitionSpec
```
public T visitPartitionSpec(OpenGaussStatementParser.PartitionSpecContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.partitionSpec().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitPartitionSpec in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitPartParams
```
public T visitPartParams(OpenGaussStatementParser.PartParamsContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.partParams().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitPartParams in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitPartElem
```
public T visitPartElem(OpenGaussStatementParser.PartElemContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.partElem().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitPartElem in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitFuncExprWindowless
```
public T visitFuncExprWindowless(OpenGaussStatementParser.FuncExprWindowlessContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.funcExprWindowless().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitFuncExprWindowless in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitPartStrategy
```
public T visitPartStrategy(OpenGaussStatementParser.PartStrategyContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.partStrategy().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitPartStrategy in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitCreateIndexSpecification
```
public T visitCreateIndexSpecification(OpenGaussStatementParser.CreateIndexSpecificationContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.createIndexSpecification().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitCreateIndexSpecification in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitConcurrentlyClause
```
public T visitConcurrentlyClause(OpenGaussStatementParser.ConcurrentlyClauseContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.concurrentlyClause().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitConcurrentlyClause in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitOnlyClause
```
public T visitOnlyClause(OpenGaussStatementParser.OnlyClauseContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.onlyClause().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitOnlyClause in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitFileSizeLiteral
```
public T visitFileSizeLiteral(OpenGaussStatementParser.FileSizeLiteralContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.fileSizeLiteral().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitFileSizeLiteral in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitAsteriskClause
```
public T visitAsteriskClause(OpenGaussStatementParser.AsteriskClauseContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.asteriskClause().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitAsteriskClause in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitAlterDefinitionClause
```
public T visitAlterDefinitionClause(OpenGaussStatementParser.AlterDefinitionClauseContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.alterDefinitionClause().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitAlterDefinitionClause in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitPartitionCmd
```
public T visitPartitionCmd(OpenGaussStatementParser.PartitionCmdContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.partitionCmd().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitPartitionCmd in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitAlterIndexDefinitionClause
```
public T visitAlterIndexDefinitionClause(OpenGaussStatementParser.AlterIndexDefinitionClauseContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.alterIndexDefinitionClause().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitAlterIndexDefinitionClause in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitIndexPartitionCmd
```
public T visitIndexPartitionCmd(OpenGaussStatementParser.IndexPartitionCmdContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.indexPartitionCmd().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitIndexPartitionCmd in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitRenameIndexSpecification
```
public T visitRenameIndexSpecification(OpenGaussStatementParser.RenameIndexSpecificationContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.renameIndexSpecification().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitRenameIndexSpecification in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitAlterIndexDependsOnExtension
```
public T visitAlterIndexDependsOnExtension(OpenGaussStatementParser.AlterIndexDependsOnExtensionContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.alterIndexDependsOnExtension().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitAlterIndexDependsOnExtension in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitAlterIndexSetTableSpace
```
public T visitAlterIndexSetTableSpace(OpenGaussStatementParser.AlterIndexSetTableSpaceContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.alterIndexSetTableSpace().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitAlterIndexSetTableSpace in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitTableNamesClause
```
public T visitTableNamesClause(OpenGaussStatementParser.TableNamesClauseContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.tableNamesClause().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitTableNamesClause in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitTableNameClause
```
public T visitTableNameClause(OpenGaussStatementParser.TableNameClauseContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.tableNameClause().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitTableNameClause in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitAlterTableActions
```
public T visitAlterTableActions(OpenGaussStatementParser.AlterTableActionsContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.alterTableActions().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitAlterTableActions in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitAlterTableAction
```
public T visitAlterTableAction(OpenGaussStatementParser.AlterTableActionContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.alterTableAction().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitAlterTableAction in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitAddColumnSpecification
```
public T visitAddColumnSpecification(OpenGaussStatementParser.AddColumnSpecificationContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.addColumnSpecification().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitAddColumnSpecification in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitDropColumnSpecification
```
public T visitDropColumnSpecification(OpenGaussStatementParser.DropColumnSpecificationContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.dropColumnSpecification().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitDropColumnSpecification in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitModifyColumnSpecification
```
public T visitModifyColumnSpecification(OpenGaussStatementParser.ModifyColumnSpecificationContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.modifyColumnSpecification().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitModifyColumnSpecification in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitModifyColumn
```
public T visitModifyColumn(OpenGaussStatementParser.ModifyColumnContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.modifyColumn().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitModifyColumn in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitAlterColumnSetOption
```
public T visitAlterColumnSetOption(OpenGaussStatementParser.AlterColumnSetOptionContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.alterColumnSetOption().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitAlterColumnSetOption in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitAttributeOptions
```
public T visitAttributeOptions(OpenGaussStatementParser.AttributeOptionsContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.attributeOptions().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitAttributeOptions in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitAttributeOption
```
public T visitAttributeOption(OpenGaussStatementParser.AttributeOptionContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.attributeOption().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitAttributeOption in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitAddConstraintSpecification
```
public T visitAddConstraintSpecification(OpenGaussStatementParser.AddConstraintSpecificationContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.addConstraintSpecification().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitAddConstraintSpecification in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitTableConstraintUsingIndex
```
public T visitTableConstraintUsingIndex(OpenGaussStatementParser.TableConstraintUsingIndexContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.tableConstraintUsingIndex().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitTableConstraintUsingIndex in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitModifyConstraintSpecification
```
public T visitModifyConstraintSpecification(OpenGaussStatementParser.ModifyConstraintSpecificationContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.modifyConstraintSpecification().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitModifyConstraintSpecification in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitValidateConstraintSpecification
```
public T visitValidateConstraintSpecification(OpenGaussStatementParser.ValidateConstraintSpecificationContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.validateConstraintSpecification().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitValidateConstraintSpecification in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitDropConstraintSpecification
```
public T visitDropConstraintSpecification(OpenGaussStatementParser.DropConstraintSpecificationContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.dropConstraintSpecification().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitDropConstraintSpecification in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitStorageParameterWithValue
```
public T visitStorageParameterWithValue(OpenGaussStatementParser.StorageParameterWithValueContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.storageParameterWithValue().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitStorageParameterWithValue in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitStorageParameter
```
public T visitStorageParameter(OpenGaussStatementParser.StorageParameterContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.storageParameter().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitStorageParameter in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitRenameColumnSpecification
```
public T visitRenameColumnSpecification(OpenGaussStatementParser.RenameColumnSpecificationContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.renameColumnSpecification().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitRenameColumnSpecification in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitRenameConstraint
```
public T visitRenameConstraint(OpenGaussStatementParser.RenameConstraintContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.renameConstraint().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitRenameConstraint in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitRenameTableSpecification
```
public T visitRenameTableSpecification(OpenGaussStatementParser.RenameTableSpecificationContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.renameTableSpecification().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitRenameTableSpecification in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitIndexNames
```
public T visitIndexNames(OpenGaussStatementParser.IndexNamesContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.indexNames().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitIndexNames in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitAlterDatabase
```
public T visitAlterDatabase(OpenGaussStatementParser.AlterDatabaseContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.alterDatabase().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitAlterDatabase in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitAlterDatabaseClause
```
public T visitAlterDatabaseClause(OpenGaussStatementParser.AlterDatabaseClauseContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.alterDatabaseClause().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitAlterDatabaseClause in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitCreatedbOptItems
```
public T visitCreatedbOptItems(OpenGaussStatementParser.CreatedbOptItemsContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.createdbOptItems().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitCreatedbOptItems in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitCreatedbOptItem
```
public T visitCreatedbOptItem(OpenGaussStatementParser.CreatedbOptItemContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.createdbOptItem().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitCreatedbOptItem in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitAlterTableCmds
```
public T visitAlterTableCmds(OpenGaussStatementParser.AlterTableCmdsContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.alterTableCmds().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitAlterTableCmds in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitAlterTableCmd
```
public T visitAlterTableCmd(OpenGaussStatementParser.AlterTableCmdContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.alterTableCmd().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitAlterTableCmd in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitConstraintAttributeSpec
```
public T visitConstraintAttributeSpec(OpenGaussStatementParser.ConstraintAttributeSpecContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.constraintAttributeSpec().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitConstraintAttributeSpec in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitConstraintAttributeElem
```
public T visitConstraintAttributeElem(OpenGaussStatementParser.ConstraintAttributeElemContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.constraintAttributeElem().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitConstraintAttributeElem in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitAlterGenericOptions
```
public T visitAlterGenericOptions(OpenGaussStatementParser.AlterGenericOptionsContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.alterGenericOptions().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitAlterGenericOptions in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitAlterGenericOptionList
```
public T visitAlterGenericOptionList(OpenGaussStatementParser.AlterGenericOptionListContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.alterGenericOptionList().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitAlterGenericOptionList in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitAlterGenericOptionElem
```
public T visitAlterGenericOptionElem(OpenGaussStatementParser.AlterGenericOptionElemContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.alterGenericOptionElem().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitAlterGenericOptionElem in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitDropBehavior
```
public T visitDropBehavior(OpenGaussStatementParser.DropBehaviorContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.dropBehavior().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitDropBehavior in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitAlterUsing
```
public T visitAlterUsing(OpenGaussStatementParser.AlterUsingContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.alterUsing().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitAlterUsing in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitSetData
```
public T visitSetData(OpenGaussStatementParser.SetDataContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.setData().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitSetData in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitAlterIdentityColumnOptionList
```
public T visitAlterIdentityColumnOptionList(OpenGaussStatementParser.AlterIdentityColumnOptionListContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.alterIdentityColumnOptionList().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitAlterIdentityColumnOptionList in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitAlterIdentityColumnOption
```
public T visitAlterIdentityColumnOption(OpenGaussStatementParser.AlterIdentityColumnOptionContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.alterIdentityColumnOption().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitAlterIdentityColumnOption in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitAlterColumnDefault
```
public T visitAlterColumnDefault(OpenGaussStatementParser.AlterColumnDefaultContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.alterColumnDefault().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitAlterColumnDefault in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitAlterOperator
```
public T visitAlterOperator(OpenGaussStatementParser.AlterOperatorContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.alterOperator().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitAlterOperator in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitAlterOperatorClass
```
public T visitAlterOperatorClass(OpenGaussStatementParser.AlterOperatorClassContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.alterOperatorClass().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitAlterOperatorClass in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitAlterOperatorClassClauses
```
public T visitAlterOperatorClassClauses(OpenGaussStatementParser.AlterOperatorClassClausesContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.alterOperatorClassClauses().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitAlterOperatorClassClauses in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitAlterOperatorFamily
```
public T visitAlterOperatorFamily(OpenGaussStatementParser.AlterOperatorFamilyContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.alterOperatorFamily().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitAlterOperatorFamily in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitAlterOperatorFamilyClauses
```
public T visitAlterOperatorFamilyClauses(OpenGaussStatementParser.AlterOperatorFamilyClausesContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.alterOperatorFamilyClauses().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitAlterOperatorFamilyClauses in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitOpclassItemList
```
public T visitOpclassItemList(OpenGaussStatementParser.OpclassItemListContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.opclassItemList().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitOpclassItemList in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitOpclassItem
```
public T visitOpclassItem(OpenGaussStatementParser.OpclassItemContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.opclassItem().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitOpclassItem in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitOpclassPurpose
```
public T visitOpclassPurpose(OpenGaussStatementParser.OpclassPurposeContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.opclassPurpose().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitOpclassPurpose in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitAlterOperatorClauses
```
public T visitAlterOperatorClauses(OpenGaussStatementParser.AlterOperatorClausesContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.alterOperatorClauses().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitAlterOperatorClauses in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitOperatorDefList
```
public T visitOperatorDefList(OpenGaussStatementParser.OperatorDefListContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.operatorDefList().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitOperatorDefList in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitOperatorDefElem
```
public T visitOperatorDefElem(OpenGaussStatementParser.OperatorDefElemContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.operatorDefElem().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitOperatorDefElem in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitOperatorDefArg
```
public T visitOperatorDefArg(OpenGaussStatementParser.OperatorDefArgContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.operatorDefArg().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitOperatorDefArg in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitOperatorWithArgtypes
```
public T visitOperatorWithArgtypes(OpenGaussStatementParser.OperatorWithArgtypesContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.operatorWithArgtypes().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitOperatorWithArgtypes in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitAlterAggregate
```
public T visitAlterAggregate(OpenGaussStatementParser.AlterAggregateContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.alterAggregate().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitAlterAggregate in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitAggregateSignature
```
public T visitAggregateSignature(OpenGaussStatementParser.AggregateSignatureContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.aggregateSignature().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitAggregateSignature in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitAggrArgs
```
public T visitAggrArgs(OpenGaussStatementParser.AggrArgsContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.aggrArgs().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitAggrArgs in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitAggrArgsList
```
public T visitAggrArgsList(OpenGaussStatementParser.AggrArgsListContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.aggrArgsList().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitAggrArgsList in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitAggrArg
```
public T visitAggrArg(OpenGaussStatementParser.AggrArgContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.aggrArg().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitAggrArg in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitAlterAggregateDefinitionClause
```
public T visitAlterAggregateDefinitionClause(OpenGaussStatementParser.AlterAggregateDefinitionClauseContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.alterAggregateDefinitionClause().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitAlterAggregateDefinitionClause in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitAlterCollation
```
public T visitAlterCollation(OpenGaussStatementParser.AlterCollationContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.alterCollation().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitAlterCollation in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitAlterCollationClause
```
public T visitAlterCollationClause(OpenGaussStatementParser.AlterCollationClauseContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.alterCollationClause().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitAlterCollationClause in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitAlterSynonym
```
public T visitAlterSynonym(OpenGaussStatementParser.AlterSynonymContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.alterSynonym().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitAlterSynonym in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitAlterDirectory
```
public T visitAlterDirectory(OpenGaussStatementParser.AlterDirectoryContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.alterDirectory().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitAlterDirectory in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitAlterConversion
```
public T visitAlterConversion(OpenGaussStatementParser.AlterConversionContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.alterConversion().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitAlterConversion in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitAlterConversionClause
```
public T visitAlterConversionClause(OpenGaussStatementParser.AlterConversionClauseContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.alterConversionClause().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitAlterConversionClause in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitAlterDefaultPrivileges
```
public T visitAlterDefaultPrivileges(OpenGaussStatementParser.AlterDefaultPrivilegesContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.alterDefaultPrivileges().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitAlterDefaultPrivileges in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitDefACLAction
```
public T visitDefACLAction(OpenGaussStatementParser.DefACLActionContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.defACLAction().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitDefACLAction in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitGrantGrantOption
```
public T visitGrantGrantOption(OpenGaussStatementParser.GrantGrantOptionContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.grantGrantOption().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitGrantGrantOption in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitGranteeList
```
public T visitGranteeList(OpenGaussStatementParser.GranteeListContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.granteeList().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitGranteeList in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitGrantee
```
public T visitGrantee(OpenGaussStatementParser.GranteeContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.grantee().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitGrantee in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitDefaclPrivilegeTarget
```
public T visitDefaclPrivilegeTarget(OpenGaussStatementParser.DefaclPrivilegeTargetContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.defaclPrivilegeTarget().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitDefaclPrivilegeTarget in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitPrivileges
```
public T visitPrivileges(OpenGaussStatementParser.PrivilegesContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.privileges().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitPrivileges in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitPrivilegeList
```
public T visitPrivilegeList(OpenGaussStatementParser.PrivilegeListContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.privilegeList().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitPrivilegeList in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitPrivilege
```
public T visitPrivilege(OpenGaussStatementParser.PrivilegeContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.privilege().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitPrivilege in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitDefACLOptionList
```
public T visitDefACLOptionList(OpenGaussStatementParser.DefACLOptionListContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.defACLOptionList().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitDefACLOptionList in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitDefACLOption
```
public T visitDefACLOption(OpenGaussStatementParser.DefACLOptionContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.defACLOption().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitDefACLOption in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitSchemaNameList
```
public T visitSchemaNameList(OpenGaussStatementParser.SchemaNameListContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.schemaNameList().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitSchemaNameList in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitAlterDomain
```
public T visitAlterDomain(OpenGaussStatementParser.AlterDomainContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.alterDomain().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitAlterDomain in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitAlterDomainClause
```
public T visitAlterDomainClause(OpenGaussStatementParser.AlterDomainClauseContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.alterDomainClause().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitAlterDomainClause in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitAlterEventTrigger
```
public T visitAlterEventTrigger(OpenGaussStatementParser.AlterEventTriggerContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.alterEventTrigger().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitAlterEventTrigger in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitAlterEventTriggerClause
```
public T visitAlterEventTriggerClause(OpenGaussStatementParser.AlterEventTriggerClauseContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.alterEventTriggerClause().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitAlterEventTriggerClause in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitTiggerName
```
public T visitTiggerName(OpenGaussStatementParser.TiggerNameContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.tiggerName().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitTiggerName in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitAlterExtension
```
public T visitAlterExtension(OpenGaussStatementParser.AlterExtensionContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.alterExtension().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitAlterExtension in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitCreateSynonym
```
public T visitCreateSynonym(OpenGaussStatementParser.CreateSynonymContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.createSynonym().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitCreateSynonym in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitAlterExtensionClauses
```
public T visitAlterExtensionClauses(OpenGaussStatementParser.AlterExtensionClausesContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.alterExtensionClauses().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitAlterExtensionClauses in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitFunctionWithArgtypes
```
public T visitFunctionWithArgtypes(OpenGaussStatementParser.FunctionWithArgtypesContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.functionWithArgtypes().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitFunctionWithArgtypes in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitFuncArgs
```
public T visitFuncArgs(OpenGaussStatementParser.FuncArgsContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.funcArgs().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitFuncArgs in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitAggregateWithArgtypes
```
public T visitAggregateWithArgtypes(OpenGaussStatementParser.AggregateWithArgtypesContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.aggregateWithArgtypes().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitAggregateWithArgtypes in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitAlterExtensionOptList
```
public T visitAlterExtensionOptList(OpenGaussStatementParser.AlterExtensionOptListContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.alterExtensionOptList().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitAlterExtensionOptList in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitAlterExtensionOptItem
```
public T visitAlterExtensionOptItem(OpenGaussStatementParser.AlterExtensionOptItemContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.alterExtensionOptItem().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitAlterExtensionOptItem in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitAlterForeignDataWrapper
```
public T visitAlterForeignDataWrapper(OpenGaussStatementParser.AlterForeignDataWrapperContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.alterForeignDataWrapper().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitAlterForeignDataWrapper in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitAlterForeignDataWrapperClauses
```
public T visitAlterForeignDataWrapperClauses(OpenGaussStatementParser.AlterForeignDataWrapperClausesContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.alterForeignDataWrapperClauses().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitAlterForeignDataWrapperClauses in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitFdwOptions
```
public T visitFdwOptions(OpenGaussStatementParser.FdwOptionsContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.fdwOptions().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitFdwOptions in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitFdwOption
```
public T visitFdwOption(OpenGaussStatementParser.FdwOptionContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.fdwOption().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitFdwOption in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitHandlerName
```
public T visitHandlerName(OpenGaussStatementParser.HandlerNameContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.handlerName().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitHandlerName in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitAlterGroup
```
public T visitAlterGroup(OpenGaussStatementParser.AlterGroupContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.alterGroup().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitAlterGroup in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitAlterGroupClauses
```
public T visitAlterGroupClauses(OpenGaussStatementParser.AlterGroupClausesContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.alterGroupClauses().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitAlterGroupClauses in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitAlterLanguage
```
public T visitAlterLanguage(OpenGaussStatementParser.AlterLanguageContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.alterLanguage().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitAlterLanguage in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitAlterLargeObject
```
public T visitAlterLargeObject(OpenGaussStatementParser.AlterLargeObjectContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.alterLargeObject().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitAlterLargeObject in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitAlterMaterializedView
```
public T visitAlterMaterializedView(OpenGaussStatementParser.AlterMaterializedViewContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.alterMaterializedView().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitAlterMaterializedView in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitAlterMaterializedViewClauses
```
public T visitAlterMaterializedViewClauses(OpenGaussStatementParser.AlterMaterializedViewClausesContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.alterMaterializedViewClauses().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitAlterMaterializedViewClauses in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitDeclare
```
public T visitDeclare(OpenGaussStatementParser.DeclareContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.declare().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitDeclare in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitCursor
```
public T visitCursor(OpenGaussStatementParser.CursorContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.cursor().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitCursor in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitCursorOptions
```
public T visitCursorOptions(OpenGaussStatementParser.CursorOptionsContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.cursorOptions().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitCursorOptions in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitCursorOption
```
public T visitCursorOption(OpenGaussStatementParser.CursorOptionContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.cursorOption().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitCursorOption in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitExecuteStmt
```
public T visitExecuteStmt(OpenGaussStatementParser.ExecuteStmtContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.executeStmt().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitExecuteStmt in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitCreateMaterializedView
```
public T visitCreateMaterializedView(OpenGaussStatementParser.CreateMaterializedViewContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.createMaterializedView().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitCreateMaterializedView in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitCreateMvTarget
```
public T visitCreateMvTarget(OpenGaussStatementParser.CreateMvTargetContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.createMvTarget().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitCreateMvTarget in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitRefreshMatViewStmt
```
public T visitRefreshMatViewStmt(OpenGaussStatementParser.RefreshMatViewStmtContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.refreshMatViewStmt().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitRefreshMatViewStmt in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitAlterPolicy
```
public T visitAlterPolicy(OpenGaussStatementParser.AlterPolicyContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.alterPolicy().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitAlterPolicy in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitAlterPolicyClauses
```
public T visitAlterPolicyClauses(OpenGaussStatementParser.AlterPolicyClausesContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.alterPolicyClauses().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitAlterPolicyClauses in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitAlterProcedure
```
public T visitAlterProcedure(OpenGaussStatementParser.AlterProcedureContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.alterProcedure().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitAlterProcedure in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitAlterProcedureClauses
```
public T visitAlterProcedureClauses(OpenGaussStatementParser.AlterProcedureClausesContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.alterProcedureClauses().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitAlterProcedureClauses in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitAlterfuncOptList
```
public T visitAlterfuncOptList(OpenGaussStatementParser.AlterfuncOptListContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.alterfuncOptList().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitAlterfuncOptList in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitAlterFunction
```
public T visitAlterFunction(OpenGaussStatementParser.AlterFunctionContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.alterFunction().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitAlterFunction in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitAlterFunctionClauses
```
public T visitAlterFunctionClauses(OpenGaussStatementParser.AlterFunctionClausesContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.alterFunctionClauses().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitAlterFunctionClauses in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitAlterPublication
```
public T visitAlterPublication(OpenGaussStatementParser.AlterPublicationContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.alterPublication().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitAlterPublication in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitAlterRoutine
```
public T visitAlterRoutine(OpenGaussStatementParser.AlterRoutineContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.alterRoutine().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitAlterRoutine in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitAlterRule
```
public T visitAlterRule(OpenGaussStatementParser.AlterRuleContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.alterRule().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitAlterRule in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitAlterSequence
```
public T visitAlterSequence(OpenGaussStatementParser.AlterSequenceContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.alterSequence().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitAlterSequence in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitAlterSequenceClauses
```
public T visitAlterSequenceClauses(OpenGaussStatementParser.AlterSequenceClausesContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.alterSequenceClauses().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitAlterSequenceClauses in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitAlterServer
```
public T visitAlterServer(OpenGaussStatementParser.AlterServerContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.alterServer().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitAlterServer in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitForeignServerVersion
```
public T visitForeignServerVersion(OpenGaussStatementParser.ForeignServerVersionContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.foreignServerVersion().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitForeignServerVersion in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitAlterStatistics
```
public T visitAlterStatistics(OpenGaussStatementParser.AlterStatisticsContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.alterStatistics().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitAlterStatistics in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitAlterSubscription
```
public T visitAlterSubscription(OpenGaussStatementParser.AlterSubscriptionContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.alterSubscription().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitAlterSubscription in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitPublicationNameList
```
public T visitPublicationNameList(OpenGaussStatementParser.PublicationNameListContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.publicationNameList().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitPublicationNameList in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitPublicationNameItem
```
public T visitPublicationNameItem(OpenGaussStatementParser.PublicationNameItemContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.publicationNameItem().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitPublicationNameItem in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitAlterSystem
```
public T visitAlterSystem(OpenGaussStatementParser.AlterSystemContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.alterSystem().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitAlterSystem in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitAlterTablespace
```
public T visitAlterTablespace(OpenGaussStatementParser.AlterTablespaceContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.alterTablespace().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitAlterTablespace in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitAlterTextSearchConfiguration
```
public T visitAlterTextSearchConfiguration(OpenGaussStatementParser.AlterTextSearchConfigurationContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.alterTextSearchConfiguration().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitAlterTextSearchConfiguration in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitAlterTextSearchConfigurationClauses
```
public T visitAlterTextSearchConfigurationClauses(OpenGaussStatementParser.AlterTextSearchConfigurationClausesContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.alterTextSearchConfigurationClauses().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitAlterTextSearchConfigurationClauses in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitAnyNameList
```
public T visitAnyNameList(OpenGaussStatementParser.AnyNameListContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.anyNameList().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitAnyNameList in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitAlterTextSearchDictionary
```
public T visitAlterTextSearchDictionary(OpenGaussStatementParser.AlterTextSearchDictionaryContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.alterTextSearchDictionary().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitAlterTextSearchDictionary in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitAlterTextSearchParser
```
public T visitAlterTextSearchParser(OpenGaussStatementParser.AlterTextSearchParserContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.alterTextSearchParser().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitAlterTextSearchParser in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitAlterTextSearchTemplate
```
public T visitAlterTextSearchTemplate(OpenGaussStatementParser.AlterTextSearchTemplateContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.alterTextSearchTemplate().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitAlterTextSearchTemplate in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitAlterTrigger
```
public T visitAlterTrigger(OpenGaussStatementParser.AlterTriggerContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.alterTrigger().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitAlterTrigger in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitAlterType
```
public T visitAlterType(OpenGaussStatementParser.AlterTypeContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.alterType().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitAlterType in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitAlterTypeClauses
```
public T visitAlterTypeClauses(OpenGaussStatementParser.AlterTypeClausesContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.alterTypeClauses().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitAlterTypeClauses in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitAlterTypeCmds
```
public T visitAlterTypeCmds(OpenGaussStatementParser.AlterTypeCmdsContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.alterTypeCmds().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitAlterTypeCmds in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitAlterTypeCmd
```
public T visitAlterTypeCmd(OpenGaussStatementParser.AlterTypeCmdContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.alterTypeCmd().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitAlterTypeCmd in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitAlterUserMapping
```
public T visitAlterUserMapping(OpenGaussStatementParser.AlterUserMappingContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.alterUserMapping().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitAlterUserMapping in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitAuthIdent
```
public T visitAuthIdent(OpenGaussStatementParser.AuthIdentContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.authIdent().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitAuthIdent in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitAlterView
```
public T visitAlterView(OpenGaussStatementParser.AlterViewContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.alterView().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitAlterView in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitAlterViewCmds
```
public T visitAlterViewCmds(OpenGaussStatementParser.AlterViewCmdsContext ctx)
```
    Visit a parse tree produced by the alterViewCmds labeled alternative in OpenGaussStatementParser.alterViewClauses().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitAlterViewCmds in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitAlterRenameView
```
public T visitAlterRenameView(OpenGaussStatementParser.AlterRenameViewContext ctx)
```
    Visit a parse tree produced by the alterRenameView labeled alternative in OpenGaussStatementParser.alterViewClauses().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitAlterRenameView in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitAlterRenameColumn
```
public T visitAlterRenameColumn(OpenGaussStatementParser.AlterRenameColumnContext ctx)
```
    Visit a parse tree produced by the alterRenameColumn labeled alternative in OpenGaussStatementParser.alterViewClauses().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitAlterRenameColumn in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitAlterSetSchema
```
public T visitAlterSetSchema(OpenGaussStatementParser.AlterSetSchemaContext ctx)
```
    Visit a parse tree produced by the alterSetSchema labeled alternative in OpenGaussStatementParser.alterViewClauses().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitAlterSetSchema in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitClose
```
public T visitClose(OpenGaussStatementParser.CloseContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.close().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitClose in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitCluster
```
public T visitCluster(OpenGaussStatementParser.ClusterContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.cluster().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitCluster in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitClusterIndexSpecification
```
public T visitClusterIndexSpecification(OpenGaussStatementParser.ClusterIndexSpecificationContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.clusterIndexSpecification().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitClusterIndexSpecification in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitComment
```
public T visitComment(OpenGaussStatementParser.CommentContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.comment().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitComment in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitCommentClauses
```
public T visitCommentClauses(OpenGaussStatementParser.CommentClausesContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.commentClauses().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitCommentClauses in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitObjectTypeNameOnAnyName
```
public T visitObjectTypeNameOnAnyName(OpenGaussStatementParser.ObjectTypeNameOnAnyNameContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.objectTypeNameOnAnyName().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitObjectTypeNameOnAnyName in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitObjectTypeName
```
public T visitObjectTypeName(OpenGaussStatementParser.ObjectTypeNameContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.objectTypeName().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitObjectTypeName in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitDropTypeName
```
public T visitDropTypeName(OpenGaussStatementParser.DropTypeNameContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.dropTypeName().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitDropTypeName in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitObjectTypeAnyName
```
public T visitObjectTypeAnyName(OpenGaussStatementParser.ObjectTypeAnyNameContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.objectTypeAnyName().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitObjectTypeAnyName in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitCommentText
```
public T visitCommentText(OpenGaussStatementParser.CommentTextContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.commentText().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitCommentText in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitCreateAccessMethod
```
public T visitCreateAccessMethod(OpenGaussStatementParser.CreateAccessMethodContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.createAccessMethod().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitCreateAccessMethod in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitCreateAggregate
```
public T visitCreateAggregate(OpenGaussStatementParser.CreateAggregateContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.createAggregate().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitCreateAggregate in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitOldAggrDefinition
```
public T visitOldAggrDefinition(OpenGaussStatementParser.OldAggrDefinitionContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.oldAggrDefinition().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitOldAggrDefinition in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitOldAggrList
```
public T visitOldAggrList(OpenGaussStatementParser.OldAggrListContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.oldAggrList().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitOldAggrList in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitOldAggrElem
```
public T visitOldAggrElem(OpenGaussStatementParser.OldAggrElemContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.oldAggrElem().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitOldAggrElem in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitCreateCast
```
public T visitCreateCast(OpenGaussStatementParser.CreateCastContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.createCast().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitCreateCast in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitCastContext
```
public T visitCastContext(OpenGaussStatementParser.CastContextContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.castContext().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitCastContext in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitCreateCollation
```
public T visitCreateCollation(OpenGaussStatementParser.CreateCollationContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.createCollation().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitCreateCollation in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitCreateConversion
```
public T visitCreateConversion(OpenGaussStatementParser.CreateConversionContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.createConversion().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitCreateConversion in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitCreateDomain
```
public T visitCreateDomain(OpenGaussStatementParser.CreateDomainContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.createDomain().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitCreateDomain in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitCreateEventTrigger
```
public T visitCreateEventTrigger(OpenGaussStatementParser.CreateEventTriggerContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.createEventTrigger().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitCreateEventTrigger in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitEventTriggerWhenList
```
public T visitEventTriggerWhenList(OpenGaussStatementParser.EventTriggerWhenListContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.eventTriggerWhenList().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitEventTriggerWhenList in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitEventTriggerWhenItem
```
public T visitEventTriggerWhenItem(OpenGaussStatementParser.EventTriggerWhenItemContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.eventTriggerWhenItem().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitEventTriggerWhenItem in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitEventTriggerValueList
```
public T visitEventTriggerValueList(OpenGaussStatementParser.EventTriggerValueListContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.eventTriggerValueList().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitEventTriggerValueList in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitCreateExtension
```
public T visitCreateExtension(OpenGaussStatementParser.CreateExtensionContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.createExtension().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitCreateExtension in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitCreateExtensionOptList
```
public T visitCreateExtensionOptList(OpenGaussStatementParser.CreateExtensionOptListContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.createExtensionOptList().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitCreateExtensionOptList in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitCreateExtensionOptItem
```
public T visitCreateExtensionOptItem(OpenGaussStatementParser.CreateExtensionOptItemContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.createExtensionOptItem().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitCreateExtensionOptItem in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitCreateForeignDataWrapper
```
public T visitCreateForeignDataWrapper(OpenGaussStatementParser.CreateForeignDataWrapperContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.createForeignDataWrapper().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitCreateForeignDataWrapper in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitCreateForeignTable
```
public T visitCreateForeignTable(OpenGaussStatementParser.CreateForeignTableContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.createForeignTable().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitCreateForeignTable in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitCreateForeignTableClauses
```
public T visitCreateForeignTableClauses(OpenGaussStatementParser.CreateForeignTableClausesContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.createForeignTableClauses().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitCreateForeignTableClauses in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitTableElementList
```
public T visitTableElementList(OpenGaussStatementParser.TableElementListContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.tableElementList().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitTableElementList in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitTableElement
```
public T visitTableElement(OpenGaussStatementParser.TableElementContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.tableElement().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitTableElement in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitTableLikeClause
```
public T visitTableLikeClause(OpenGaussStatementParser.TableLikeClauseContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.tableLikeClause().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitTableLikeClause in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitTableLikeOptionList
```
public T visitTableLikeOptionList(OpenGaussStatementParser.TableLikeOptionListContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.tableLikeOptionList().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitTableLikeOptionList in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitTableLikeOption
```
public T visitTableLikeOption(OpenGaussStatementParser.TableLikeOptionContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.tableLikeOption().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitTableLikeOption in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitCreateFunction
```
public T visitCreateFunction(OpenGaussStatementParser.CreateFunctionContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.createFunction().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitCreateFunction in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitTableFuncColumnList
```
public T visitTableFuncColumnList(OpenGaussStatementParser.TableFuncColumnListContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.tableFuncColumnList().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitTableFuncColumnList in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitTableFuncColumn
```
public T visitTableFuncColumn(OpenGaussStatementParser.TableFuncColumnContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.tableFuncColumn().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitTableFuncColumn in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitCreatefuncOptList
```
public T visitCreatefuncOptList(OpenGaussStatementParser.CreatefuncOptListContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.createfuncOptList().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitCreatefuncOptList in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitCreatefuncOptItem
```
public T visitCreatefuncOptItem(OpenGaussStatementParser.CreatefuncOptItemContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.createfuncOptItem().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitCreatefuncOptItem in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitTransformTypeList
```
public T visitTransformTypeList(OpenGaussStatementParser.TransformTypeListContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.transformTypeList().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitTransformTypeList in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitFuncAs
```
public T visitFuncAs(OpenGaussStatementParser.FuncAsContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.funcAs().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitFuncAs in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitFuncReturn
```
public T visitFuncReturn(OpenGaussStatementParser.FuncReturnContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.funcReturn().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitFuncReturn in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitFuncArgsWithDefaults
```
public T visitFuncArgsWithDefaults(OpenGaussStatementParser.FuncArgsWithDefaultsContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.funcArgsWithDefaults().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitFuncArgsWithDefaults in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitFuncArgsWithDefaultsList
```
public T visitFuncArgsWithDefaultsList(OpenGaussStatementParser.FuncArgsWithDefaultsListContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.funcArgsWithDefaultsList().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitFuncArgsWithDefaultsList in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitFuncArgWithDefault
```
public T visitFuncArgWithDefault(OpenGaussStatementParser.FuncArgWithDefaultContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.funcArgWithDefault().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitFuncArgWithDefault in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitCreateLanguage
```
public T visitCreateLanguage(OpenGaussStatementParser.CreateLanguageContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.createLanguage().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitCreateLanguage in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitTransformElementList
```
public T visitTransformElementList(OpenGaussStatementParser.TransformElementListContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.transformElementList().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitTransformElementList in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitValidatorClause
```
public T visitValidatorClause(OpenGaussStatementParser.ValidatorClauseContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.validatorClause().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitValidatorClause in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitCreatePolicy
```
public T visitCreatePolicy(OpenGaussStatementParser.CreatePolicyContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.createPolicy().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitCreatePolicy in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitCreateProcedure
```
public T visitCreateProcedure(OpenGaussStatementParser.CreateProcedureContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.createProcedure().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitCreateProcedure in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitCreatePublication
```
public T visitCreatePublication(OpenGaussStatementParser.CreatePublicationContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.createPublication().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitCreatePublication in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitPublicationForTables
```
public T visitPublicationForTables(OpenGaussStatementParser.PublicationForTablesContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.publicationForTables().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitPublicationForTables in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitCreateRule
```
public T visitCreateRule(OpenGaussStatementParser.CreateRuleContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.createRule().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitCreateRule in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitRuleActionList
```
public T visitRuleActionList(OpenGaussStatementParser.RuleActionListContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.ruleActionList().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitRuleActionList in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitRuleActionStmt
```
public T visitRuleActionStmt(OpenGaussStatementParser.RuleActionStmtContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.ruleActionStmt().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitRuleActionStmt in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitRuleActionMulti
```
public T visitRuleActionMulti(OpenGaussStatementParser.RuleActionMultiContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.ruleActionMulti().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitRuleActionMulti in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitNotifyStmt
```
public T visitNotifyStmt(OpenGaussStatementParser.NotifyStmtContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.notifyStmt().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitNotifyStmt in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitCreateTrigger
```
public T visitCreateTrigger(OpenGaussStatementParser.CreateTriggerContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.createTrigger().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitCreateTrigger in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitTriggerEvents
```
public T visitTriggerEvents(OpenGaussStatementParser.TriggerEventsContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.triggerEvents().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitTriggerEvents in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitTriggerOneEvent
```
public T visitTriggerOneEvent(OpenGaussStatementParser.TriggerOneEventContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.triggerOneEvent().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitTriggerOneEvent in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitTriggerActionTime
```
public T visitTriggerActionTime(OpenGaussStatementParser.TriggerActionTimeContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.triggerActionTime().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitTriggerActionTime in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitTriggerFuncArgs
```
public T visitTriggerFuncArgs(OpenGaussStatementParser.TriggerFuncArgsContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.triggerFuncArgs().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitTriggerFuncArgs in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitTriggerFuncArg
```
public T visitTriggerFuncArg(OpenGaussStatementParser.TriggerFuncArgContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.triggerFuncArg().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitTriggerFuncArg in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitTriggerWhen
```
public T visitTriggerWhen(OpenGaussStatementParser.TriggerWhenContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.triggerWhen().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitTriggerWhen in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitTriggerForSpec
```
public T visitTriggerForSpec(OpenGaussStatementParser.TriggerForSpecContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.triggerForSpec().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitTriggerForSpec in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitTriggerReferencing
```
public T visitTriggerReferencing(OpenGaussStatementParser.TriggerReferencingContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.triggerReferencing().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitTriggerReferencing in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitTriggerTransitions
```
public T visitTriggerTransitions(OpenGaussStatementParser.TriggerTransitionsContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.triggerTransitions().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitTriggerTransitions in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitTriggerTransition
```
public T visitTriggerTransition(OpenGaussStatementParser.TriggerTransitionContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.triggerTransition().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitTriggerTransition in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitTransitionRelName
```
public T visitTransitionRelName(OpenGaussStatementParser.TransitionRelNameContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.transitionRelName().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitTransitionRelName in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitTransitionRowOrTable
```
public T visitTransitionRowOrTable(OpenGaussStatementParser.TransitionRowOrTableContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.transitionRowOrTable().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitTransitionRowOrTable in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitTransitionOldOrNew
```
public T visitTransitionOldOrNew(OpenGaussStatementParser.TransitionOldOrNewContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.transitionOldOrNew().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitTransitionOldOrNew in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitCreateSequence
```
public T visitCreateSequence(OpenGaussStatementParser.CreateSequenceContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.createSequence().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitCreateSequence in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitTempOption
```
public T visitTempOption(OpenGaussStatementParser.TempOptionContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.tempOption().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitTempOption in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitCreateServer
```
public T visitCreateServer(OpenGaussStatementParser.CreateServerContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.createServer().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitCreateServer in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitCreateStatistics
```
public T visitCreateStatistics(OpenGaussStatementParser.CreateStatisticsContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.createStatistics().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitCreateStatistics in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitCreateSubscription
```
public T visitCreateSubscription(OpenGaussStatementParser.CreateSubscriptionContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.createSubscription().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitCreateSubscription in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitCreateTablespace
```
public T visitCreateTablespace(OpenGaussStatementParser.CreateTablespaceContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.createTablespace().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitCreateTablespace in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitCreateTextSearch
```
public T visitCreateTextSearch(OpenGaussStatementParser.CreateTextSearchContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.createTextSearch().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitCreateTextSearch in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitCreateTransform
```
public T visitCreateTransform(OpenGaussStatementParser.CreateTransformContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.createTransform().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitCreateTransform in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitCreateType
```
public T visitCreateType(OpenGaussStatementParser.CreateTypeContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.createType().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitCreateType in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitCreateTypeClauses
```
public T visitCreateTypeClauses(OpenGaussStatementParser.CreateTypeClausesContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.createTypeClauses().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitCreateTypeClauses in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitEnumValList
```
public T visitEnumValList(OpenGaussStatementParser.EnumValListContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.enumValList().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitEnumValList in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitCreateUserMapping
```
public T visitCreateUserMapping(OpenGaussStatementParser.CreateUserMappingContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.createUserMapping().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitCreateUserMapping in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitDiscard
```
public T visitDiscard(OpenGaussStatementParser.DiscardContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.discard().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitDiscard in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitDropAccessMethod
```
public T visitDropAccessMethod(OpenGaussStatementParser.DropAccessMethodContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.dropAccessMethod().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitDropAccessMethod in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitDropAggregate
```
public T visitDropAggregate(OpenGaussStatementParser.DropAggregateContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.dropAggregate().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitDropAggregate in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitAggregateWithArgtypesList
```
public T visitAggregateWithArgtypesList(OpenGaussStatementParser.AggregateWithArgtypesListContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.aggregateWithArgtypesList().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitAggregateWithArgtypesList in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitDropCast
```
public T visitDropCast(OpenGaussStatementParser.DropCastContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.dropCast().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitDropCast in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitDropCollation
```
public T visitDropCollation(OpenGaussStatementParser.DropCollationContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.dropCollation().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitDropCollation in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitDropConversion
```
public T visitDropConversion(OpenGaussStatementParser.DropConversionContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.dropConversion().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitDropConversion in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitDropDomain
```
public T visitDropDomain(OpenGaussStatementParser.DropDomainContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.dropDomain().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitDropDomain in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitDropEventTrigger
```
public T visitDropEventTrigger(OpenGaussStatementParser.DropEventTriggerContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.dropEventTrigger().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitDropEventTrigger in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitDropExtension
```
public T visitDropExtension(OpenGaussStatementParser.DropExtensionContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.dropExtension().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitDropExtension in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitDropForeignDataWrapper
```
public T visitDropForeignDataWrapper(OpenGaussStatementParser.DropForeignDataWrapperContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.dropForeignDataWrapper().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitDropForeignDataWrapper in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitDropForeignTable
```
public T visitDropForeignTable(OpenGaussStatementParser.DropForeignTableContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.dropForeignTable().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitDropForeignTable in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitDropFunction
```
public T visitDropFunction(OpenGaussStatementParser.DropFunctionContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.dropFunction().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitDropFunction in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitFunctionWithArgtypesList
```
public T visitFunctionWithArgtypesList(OpenGaussStatementParser.FunctionWithArgtypesListContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.functionWithArgtypesList().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitFunctionWithArgtypesList in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitDropLanguage
```
public T visitDropLanguage(OpenGaussStatementParser.DropLanguageContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.dropLanguage().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitDropLanguage in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitDropMaterializedView
```
public T visitDropMaterializedView(OpenGaussStatementParser.DropMaterializedViewContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.dropMaterializedView().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitDropMaterializedView in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitDropOperator
```
public T visitDropOperator(OpenGaussStatementParser.DropOperatorContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.dropOperator().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitDropOperator in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitOperatorWithArgtypesList
```
public T visitOperatorWithArgtypesList(OpenGaussStatementParser.OperatorWithArgtypesListContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.operatorWithArgtypesList().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitOperatorWithArgtypesList in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitDropOperatorClass
```
public T visitDropOperatorClass(OpenGaussStatementParser.DropOperatorClassContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.dropOperatorClass().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitDropOperatorClass in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitDropOperatorFamily
```
public T visitDropOperatorFamily(OpenGaussStatementParser.DropOperatorFamilyContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.dropOperatorFamily().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitDropOperatorFamily in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitDropOwned
```
public T visitDropOwned(OpenGaussStatementParser.DropOwnedContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.dropOwned().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitDropOwned in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitDropPolicy
```
public T visitDropPolicy(OpenGaussStatementParser.DropPolicyContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.dropPolicy().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitDropPolicy in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitDropProcedure
```
public T visitDropProcedure(OpenGaussStatementParser.DropProcedureContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.dropProcedure().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitDropProcedure in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitDropPublication
```
public T visitDropPublication(OpenGaussStatementParser.DropPublicationContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.dropPublication().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitDropPublication in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitDropRoutine
```
public T visitDropRoutine(OpenGaussStatementParser.DropRoutineContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.dropRoutine().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitDropRoutine in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitDropRule
```
public T visitDropRule(OpenGaussStatementParser.DropRuleContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.dropRule().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitDropRule in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitDropSequence
```
public T visitDropSequence(OpenGaussStatementParser.DropSequenceContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.dropSequence().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitDropSequence in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitDropSynonym
```
public T visitDropSynonym(OpenGaussStatementParser.DropSynonymContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.dropSynonym().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitDropSynonym in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitDropServer
```
public T visitDropServer(OpenGaussStatementParser.DropServerContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.dropServer().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitDropServer in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitDropStatistics
```
public T visitDropStatistics(OpenGaussStatementParser.DropStatisticsContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.dropStatistics().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitDropStatistics in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitDropSubscription
```
public T visitDropSubscription(OpenGaussStatementParser.DropSubscriptionContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.dropSubscription().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitDropSubscription in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitDropTablespace
```
public T visitDropTablespace(OpenGaussStatementParser.DropTablespaceContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.dropTablespace().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitDropTablespace in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitDropTextSearch
```
public T visitDropTextSearch(OpenGaussStatementParser.DropTextSearchContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.dropTextSearch().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitDropTextSearch in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitDropTransform
```
public T visitDropTransform(OpenGaussStatementParser.DropTransformContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.dropTransform().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitDropTransform in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitDropTrigger
```
public T visitDropTrigger(OpenGaussStatementParser.DropTriggerContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.dropTrigger().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitDropTrigger in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitDropType
```
public T visitDropType(OpenGaussStatementParser.DropTypeContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.dropType().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitDropType in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitDropUserMapping
```
public T visitDropUserMapping(OpenGaussStatementParser.DropUserMappingContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.dropUserMapping().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitDropUserMapping in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitDropView
```
public T visitDropView(OpenGaussStatementParser.DropViewContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.dropView().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitDropView in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitImportForeignSchema
```
public T visitImportForeignSchema(OpenGaussStatementParser.ImportForeignSchemaContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.importForeignSchema().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitImportForeignSchema in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitImportQualification
```
public T visitImportQualification(OpenGaussStatementParser.ImportQualificationContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.importQualification().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitImportQualification in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitImportQualificationType
```
public T visitImportQualificationType(OpenGaussStatementParser.ImportQualificationTypeContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.importQualificationType().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitImportQualificationType in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitListen
```
public T visitListen(OpenGaussStatementParser.ListenContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.listen().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitListen in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitMove
```
public T visitMove(OpenGaussStatementParser.MoveContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.move().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitMove in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitPrepare
```
public T visitPrepare(OpenGaussStatementParser.PrepareContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.prepare().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitPrepare in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitDeallocate
```
public T visitDeallocate(OpenGaussStatementParser.DeallocateContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.deallocate().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitDeallocate in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitPrepTypeClause
```
public T visitPrepTypeClause(OpenGaussStatementParser.PrepTypeClauseContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.prepTypeClause().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitPrepTypeClause in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitRefreshMaterializedView
```
public T visitRefreshMaterializedView(OpenGaussStatementParser.RefreshMaterializedViewContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.refreshMaterializedView().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitRefreshMaterializedView in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitReIndex
```
public T visitReIndex(OpenGaussStatementParser.ReIndexContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.reIndex().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitReIndex in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitReIndexClauses
```
public T visitReIndexClauses(OpenGaussStatementParser.ReIndexClausesContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.reIndexClauses().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitReIndexClauses in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitReindexOptionList
```
public T visitReindexOptionList(OpenGaussStatementParser.ReindexOptionListContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.reindexOptionList().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitReindexOptionList in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitReindexOptionElem
```
public T visitReindexOptionElem(OpenGaussStatementParser.ReindexOptionElemContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.reindexOptionElem().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitReindexOptionElem in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitReindexTargetMultitable
```
public T visitReindexTargetMultitable(OpenGaussStatementParser.ReindexTargetMultitableContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.reindexTargetMultitable().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitReindexTargetMultitable in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitReindexTargetType
```
public T visitReindexTargetType(OpenGaussStatementParser.ReindexTargetTypeContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.reindexTargetType().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitReindexTargetType in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitAlterForeignTable
```
public T visitAlterForeignTable(OpenGaussStatementParser.AlterForeignTableContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.alterForeignTable().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitAlterForeignTable in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitAlterForeignTableClauses
```
public T visitAlterForeignTableClauses(OpenGaussStatementParser.AlterForeignTableClausesContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.alterForeignTableClauses().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitAlterForeignTableClauses in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitCreateOperator
```
public T visitCreateOperator(OpenGaussStatementParser.CreateOperatorContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.createOperator().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitCreateOperator in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitCreateOperatorClass
```
public T visitCreateOperatorClass(OpenGaussStatementParser.CreateOperatorClassContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.createOperatorClass().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitCreateOperatorClass in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitCreateOperatorFamily
```
public T visitCreateOperatorFamily(OpenGaussStatementParser.CreateOperatorFamilyContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.createOperatorFamily().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitCreateOperatorFamily in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitSecurityLabelStmt
```
public T visitSecurityLabelStmt(OpenGaussStatementParser.SecurityLabelStmtContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.securityLabelStmt().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitSecurityLabelStmt in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitSecurityLabel
```
public T visitSecurityLabel(OpenGaussStatementParser.SecurityLabelContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.securityLabel().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitSecurityLabel in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitSecurityLabelClausces
```
public T visitSecurityLabelClausces(OpenGaussStatementParser.SecurityLabelClauscesContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.securityLabelClausces().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitSecurityLabelClausces in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitUnlisten
```
public T visitUnlisten(OpenGaussStatementParser.UnlistenContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.unlisten().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitUnlisten in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitCreateSchema
```
public T visitCreateSchema(OpenGaussStatementParser.CreateSchemaContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.createSchema().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitCreateSchema in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitCreateSchemaClauses
```
public T visitCreateSchemaClauses(OpenGaussStatementParser.CreateSchemaClausesContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.createSchemaClauses().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitCreateSchemaClauses in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitSchemaEltList
```
public T visitSchemaEltList(OpenGaussStatementParser.SchemaEltListContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.schemaEltList().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitSchemaEltList in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitSchemaStmt
```
public T visitSchemaStmt(OpenGaussStatementParser.SchemaStmtContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.schemaStmt().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitSchemaStmt in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitPrivilegeClause
```
public T visitPrivilegeClause(OpenGaussStatementParser.PrivilegeClauseContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.privilegeClause().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitPrivilegeClause in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitRoleClause
```
public T visitRoleClause(OpenGaussStatementParser.RoleClauseContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.roleClause().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitRoleClause in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitPrivilegeTypes
```
public T visitPrivilegeTypes(OpenGaussStatementParser.PrivilegeTypesContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.privilegeTypes().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitPrivilegeTypes in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitOnObjectClause
```
public T visitOnObjectClause(OpenGaussStatementParser.OnObjectClauseContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.onObjectClause().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitOnObjectClause in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitNumericOnlyList
```
public T visitNumericOnlyList(OpenGaussStatementParser.NumericOnlyListContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.numericOnlyList().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitNumericOnlyList in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitPrivilegeLevel
```
public T visitPrivilegeLevel(OpenGaussStatementParser.PrivilegeLevelContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.privilegeLevel().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitPrivilegeLevel in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitRoutineName
```
public T visitRoutineName(OpenGaussStatementParser.RoutineNameContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.routineName().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitRoutineName in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitPrivilegeType
```
public T visitPrivilegeType(OpenGaussStatementParser.PrivilegeTypeContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.privilegeType().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitPrivilegeType in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitCreateDirectory
```
public T visitCreateDirectory(OpenGaussStatementParser.CreateDirectoryContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.createDirectory().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitCreateDirectory in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitAlterSchema
```
public T visitAlterSchema(OpenGaussStatementParser.AlterSchemaContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.alterSchema().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitAlterSchema in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitDropSchema
```
public T visitDropSchema(OpenGaussStatementParser.DropSchemaContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.dropSchema().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitDropSchema in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitFetch
```
public T visitFetch(OpenGaussStatementParser.FetchContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.fetch().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitFetch in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitAlterPackage
```
public T visitAlterPackage(OpenGaussStatementParser.AlterPackageContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.alterPackage().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitAlterPackage in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitNext
```
public T visitNext(OpenGaussStatementParser.NextContext ctx)
```
    Visit a parse tree produced by the next labeled alternative in OpenGaussStatementParser.direction().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitNext in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitPrior
```
public T visitPrior(OpenGaussStatementParser.PriorContext ctx)
```
    Visit a parse tree produced by the prior labeled alternative in OpenGaussStatementParser.direction().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitPrior in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitFirst
```
public T visitFirst(OpenGaussStatementParser.FirstContext ctx)
```
    Visit a parse tree produced by the first labeled alternative in OpenGaussStatementParser.direction().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitFirst in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitLast
```
public T visitLast(OpenGaussStatementParser.LastContext ctx)
```
    Visit a parse tree produced by the last labeled alternative in OpenGaussStatementParser.direction().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitLast in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitAbsoluteCount
```
public T visitAbsoluteCount(OpenGaussStatementParser.AbsoluteCountContext ctx)
```
    Visit a parse tree produced by the absoluteCount labeled alternative in OpenGaussStatementParser.direction().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitAbsoluteCount in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitRelativeCount
```
public T visitRelativeCount(OpenGaussStatementParser.RelativeCountContext ctx)
```
    Visit a parse tree produced by the relativeCount labeled alternative in OpenGaussStatementParser.direction().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitRelativeCount in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitCount
```
public T visitCount(OpenGaussStatementParser.CountContext ctx)
```
    Visit a parse tree produced by the count labeled alternative in OpenGaussStatementParser.direction().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitCount in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitAll
```
public T visitAll(OpenGaussStatementParser.AllContext ctx)
```
    Visit a parse tree produced by the all labeled alternative in OpenGaussStatementParser.direction().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitAll in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitForward
```
public T visitForward(OpenGaussStatementParser.ForwardContext ctx)
```
    Visit a parse tree produced by the forward labeled alternative in OpenGaussStatementParser.direction().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitForward in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitForwardCount
```
public T visitForwardCount(OpenGaussStatementParser.ForwardCountContext ctx)
```
    Visit a parse tree produced by the forwardCount labeled alternative in OpenGaussStatementParser.direction().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitForwardCount in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitForwardAll
```
public T visitForwardAll(OpenGaussStatementParser.ForwardAllContext ctx)
```
    Visit a parse tree produced by the forwardAll labeled alternative in OpenGaussStatementParser.direction().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitForwardAll in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitBackward
```
public T visitBackward(OpenGaussStatementParser.BackwardContext ctx)
```
    Visit a parse tree produced by the backward labeled alternative in OpenGaussStatementParser.direction().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitBackward in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitBackwardCount
```
public T visitBackwardCount(OpenGaussStatementParser.BackwardCountContext ctx)
```
    Visit a parse tree produced by the backwardCount labeled alternative in OpenGaussStatementParser.direction().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitBackwardCount in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitBackwardAll
```
public T visitBackwardAll(OpenGaussStatementParser.BackwardAllContext ctx)
```
    Visit a parse tree produced by the backwardAll labeled alternative in OpenGaussStatementParser.direction().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitBackwardAll in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitShow
```
public T visitShow(OpenGaussStatementParser.ShowContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.show().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitShow in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitSet
```
public T visitSet(OpenGaussStatementParser.SetContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.set().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitSet in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitRuntimeScope
```
public T visitRuntimeScope(OpenGaussStatementParser.RuntimeScopeContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.runtimeScope().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitRuntimeScope in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitTimeZoneClause
```
public T visitTimeZoneClause(OpenGaussStatementParser.TimeZoneClauseContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.timeZoneClause().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitTimeZoneClause in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitConfigurationParameterClause
```
public T visitConfigurationParameterClause(OpenGaussStatementParser.ConfigurationParameterClauseContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.configurationParameterClause().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitConfigurationParameterClause in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitResetParameter
```
public T visitResetParameter(OpenGaussStatementParser.ResetParameterContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.resetParameter().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitResetParameter in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitExplain
```
public T visitExplain(OpenGaussStatementParser.ExplainContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.explain().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitExplain in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitExplainableStmt
```
public T visitExplainableStmt(OpenGaussStatementParser.ExplainableStmtContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.explainableStmt().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitExplainableStmt in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitExplainOptionList
```
public T visitExplainOptionList(OpenGaussStatementParser.ExplainOptionListContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.explainOptionList().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitExplainOptionList in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitExplainOptionElem
```
public T visitExplainOptionElem(OpenGaussStatementParser.ExplainOptionElemContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.explainOptionElem().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitExplainOptionElem in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitExplainOptionArg
```
public T visitExplainOptionArg(OpenGaussStatementParser.ExplainOptionArgContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.explainOptionArg().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitExplainOptionArg in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitExplainOptionName
```
public T visitExplainOptionName(OpenGaussStatementParser.ExplainOptionNameContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.explainOptionName().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitExplainOptionName in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitAnalyzeKeyword
```
public T visitAnalyzeKeyword(OpenGaussStatementParser.AnalyzeKeywordContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.analyzeKeyword().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitAnalyzeKeyword in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitAnalyzeTable
```
public T visitAnalyzeTable(OpenGaussStatementParser.AnalyzeTableContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.analyzeTable().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitAnalyzeTable in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitVacuumRelationList
```
public T visitVacuumRelationList(OpenGaussStatementParser.VacuumRelationListContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.vacuumRelationList().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitVacuumRelationList in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitVacuumRelation
```
public T visitVacuumRelation(OpenGaussStatementParser.VacuumRelationContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.vacuumRelation().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitVacuumRelation in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitVacAnalyzeOptionList
```
public T visitVacAnalyzeOptionList(OpenGaussStatementParser.VacAnalyzeOptionListContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.vacAnalyzeOptionList().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitVacAnalyzeOptionList in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitVacAnalyzeOptionElem
```
public T visitVacAnalyzeOptionElem(OpenGaussStatementParser.VacAnalyzeOptionElemContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.vacAnalyzeOptionElem().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitVacAnalyzeOptionElem in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitVacAnalyzeOptionArg
```
public T visitVacAnalyzeOptionArg(OpenGaussStatementParser.VacAnalyzeOptionArgContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.vacAnalyzeOptionArg().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitVacAnalyzeOptionArg in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitVacAnalyzeOptionName
```
public T visitVacAnalyzeOptionName(OpenGaussStatementParser.VacAnalyzeOptionNameContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.vacAnalyzeOptionName().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitVacAnalyzeOptionName in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitLoad
```
public T visitLoad(OpenGaussStatementParser.LoadContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.load().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitLoad in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitVacuum
```
public T visitVacuum(OpenGaussStatementParser.VacuumContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.vacuum().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitVacuum in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitEmptyStatement
```
public T visitEmptyStatement(OpenGaussStatementParser.EmptyStatementContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.emptyStatement().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitEmptyStatement in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitCall
```
public T visitCall(OpenGaussStatementParser.CallContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.call().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitCall in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitCallClauses
```
public T visitCallClauses(OpenGaussStatementParser.CallClausesContext ctx)
```
    Visit a parse tree produced by OpenGaussStatementParser.callClauses().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitCallClauses in interface OpenGaussStatementVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result

Class OpenGaussStatementBaseVisitor<T>

Constructor Summary

Method Summary

Methods inherited from class org.antlr.v4.runtime.tree.AbstractParseTreeVisitor

Methods inherited from class java.lang.Object

Methods inherited from interface org.antlr.v4.runtime.tree.ParseTreeVisitor

Constructor Detail

OpenGaussStatementBaseVisitor

Method Detail

visitExecute

visitSetTransaction

visitBeginTransaction

visitCommit

visitSavepoint

visitAbort

visitStartTransaction

visitEnd

visitRollback

visitReleaseSavepoint

visitRollbackToSavepoint

visitPrepareTransaction

visitCommitPrepared

visitRollbackPrepared

visitSetConstraints

visitConstraintsSetMode

visitConstraintsSetList

visitInsert

visitInsertTarget

visitInsertRest

visitOverrideKind

visitInsertColumnList

visitInsertColumnItem

visitOptOnDuplicateKey

visitAssignment

visitUpdate

visitSetClauseList

visitSetClause

visitSetTarget

visitSetTargetList

visitReturningClause

visitDelete

visitRelationExprOptAlias

visitUsingClause

visitSelect

visitSelectWithParens

visitSelectNoParens

visitSelectClauseN

visitSimpleSelect

visitWithClause

visitIntoClause

visitOptTempTableName

visitCteList

visitCommonTableExpr

visitOptMaterialized

visitOptNameList

visitPreparableStmt

visitForLockingClause

visitForLockingItems

visitForLockingItem

visitNowaitOrSkip

visitForLockingStrength

visitLockedRelsList

visitQualifiedNameList

visitSelectLimit

visitValuesClause

visitLimitClause

visitOffsetClause

visitSelectLimitValue

visitSelectOffsetValue

visitSelectFetchFirstValue

visitRowOrRows

visitFirstOrNext

visitTargetList

visitTargetEl

visitGroupClause

visitGroupByList

visitGroupByItem

visitEmptyGroupingSet

visitRollupClause

visitCubeClause