java.lang.Object
- org.hibernate.dialect.Dialect
- - org.hibernate.dialect.SAPDBDialect

所有已实现的接口:

ConversionContext
```
public class SAPDBDialect
extends Dialect
```
An SQL dialect compatible with SAP DB.

作者:

Brad Clow

字段概要
- 从类继承的字段 org.hibernate.dialect.Dialect
  CLOSED_QUOTE, DEFAULT_BATCH_SIZE, LEGACY_LOB_MERGE_STRATEGY, NEW_LOCATOR_LOB_MERGE_STRATEGY, NO_BATCH, QUOTE, STANDARD_DEFAULT_BATCH_LOAD_SIZING_STRATEGY, STREAM_XFER_LOB_MERGE_STRATEGY, TWO_SINGLE_QUOTES_REPLACEMENT

构造器概要

构造器
构造器说明

SAPDBDialect()
Constructs a SAPDBDialect

方法概要

所有方法实例方法具体方法
修饰符和类型	方法	说明
`CaseFragment`	`createCaseFragment()`	Create a `CaseFragment` strategy responsible for handling this dialect's variations in how CASE statements are handled.
`boolean`	`dropConstraints()`	Do we need to drop constraints before dropping tables in this dialect?
`String`	`getAddColumnString()`	The syntax used to add a column to a table (optional).
`String`	`getAddForeignKeyConstraintString(String constraintName, String foreignKeyDefinition)`
`String`	`getAddForeignKeyConstraintString(String constraintName, String[] foreignKey, String referencedTable, String[] primaryKey, boolean referencesPrimaryKey)`	The syntax used to add a foreign key constraint to a table.
`String`	`getAddPrimaryKeyConstraintString(String constraintName)`	The syntax used to add a primary key constraint to a table.
`String`	`getCreateSequenceString(String sequenceName)`	Typically dialects which support sequences can create a sequence with a single command.
`MultiTableBulkIdStrategy`	`getDefaultMultiTableBulkIdStrategy()`
`String`	`getDropSequenceString(String sequenceName)`	Typically dialects which support sequences can drop a sequence with a single command.
`String`	`getNullColumnString()`	The keyword used to specify a nullable column.
`String`	`getQuerySequencesString()`	Get the select command used retrieve the names of all sequences.
`String`	`getSelectSequenceNextValString(String sequenceName)`	Generate the select expression fragment that will retrieve the next value of a sequence as part of another (typically DML) statement.
`SequenceInformationExtractor`	`getSequenceInformationExtractor()`
`String`	`getSequenceNextValString(String sequenceName)`	Generate the appropriate select statement to to retrieve the next value of a sequence.
`boolean`	`supportsJdbcConnectionLobCreation(DatabaseMetaData databaseMetaData)`	Check whether the JDBC `Connection` supports creating LOBs via `Connection.createBlob()`, `Connection.createNClob()` or `Connection.createClob()`.
`boolean`	`supportsSequences()`	Does this dialect support sequences?

从类继承的方法 org.hibernate.dialect.Dialect
addSqlHintOrComment, appendLockHint, appendLockHint, applyLocksToSql, areStringComparisonsCaseInsensitive, augmentRecognizedTableTypes, bindLimitParametersFirst, bindLimitParametersInReverseOrder, buildIdentifierHelper, buildSQLExceptionConversionDelegate, buildSQLExceptionConverter, canCreateCatalog, canCreateSchema, cast, cast, cast, closeQuote, contributeTypes, convertToFirstRowValue, createOuterJoinFragment, defaultScrollMode, doesReadCommittedCauseWritersToBlockReaders, doesRepeatableReadCauseReadersToBlockWriters, escapeLiteral, forceLimitUsage, forceLobAsLastValue, forUpdateOfColumns, getAddColumnSuffixString, getAddUniqueConstraintString, getAlterTableString, getAuxiliaryDatabaseObjectExporter, getCallableStatementSupport, getCascadeConstraintsString, getCaseInsensitiveLike, getCastTypeName, getColumnAliasExtractor, getColumnComment, getCreateCatalogCommand, getCreateMultisetTableString, getCreateSchemaCommand, getCreateSequenceString, getCreateSequenceStrings, getCreateSequenceStrings, getCreateTableString, getCrossJoinSeparator, getCurrentSchemaCommand, getCurrentTimestampSelectString, getCurrentTimestampSQLFunctionName, getDefaultBatchLoadSizingStrategy, getDefaultProperties, getDialect, getDialect, getDropCatalogCommand, getDropForeignKeyString, getDropSchemaCommand, getDropSequenceStrings, getDropTableString, getForeignKeyExporter, getForUpdateNowaitString, getForUpdateNowaitString, getForUpdateSkipLockedString, getForUpdateSkipLockedString, getForUpdateString, getForUpdateString, getForUpdateString, getForUpdateString, getForUpdateString, getFunctions, getHibernateTypeName, getHibernateTypeName, getIdentityColumnSupport, getIndexExporter, getInExpressionCountLimit, getKeywords, getLimitHandler, getLimitString, getLimitString, getLobMergeStrategy, getLockingStrategy, getLowercaseFunction, getMaxAliasLength, getNameQualifierSupport, getNativeIdentifierGeneratorClass, getNativeIdentifierGeneratorStrategy, getNoColumnsInsertString, getNotExpression, getQueryHintString, getQueryHintString, getReadLockString, getReadLockString, getResultSet, getResultSet, getResultSet, getSchemaNameResolver, getSelectClauseNullString, getSelectGUIDString, getSequenceExporter, getSqlTypeDescriptorOverride, getTableComment, getTableExporter, getTableTypeString, getTypeName, getTypeName, getUniqueDelegate, getUniqueKeyExporter, getViolatedConstraintNameExtracter, getWriteLockString, getWriteLockString, hasAlterTable, hasSelfReferentialForeignKeyBug, inlineLiteral, isCurrentTimestampSelectStringCallable, isJdbcLogWarningsEnabledByDefault, isLegacyLimitHandlerBehaviorEnabled, isLockTimeoutParameterized, isTypeNameRegistered, openQuote, prependComment, qualifyIndexName, quote, registerColumnType, registerColumnType, registerFunction, registerHibernateType, registerHibernateType, registerKeyword, registerResultSetOutParameter, registerResultSetOutParameter, remapSqlTypeDescriptor, renderOrderByElement, replaceResultVariableInOrderByClauseWithPosition, requiresCastingOfParametersInSelectClause, requiresParensForTupleDistinctCounts, supportsBindAsCallableArgument, supportsCascadeDelete, supportsCaseInsensitiveLike, supportsCircularCascadeDeleteConstraints, supportsColumnCheck, supportsCommentOn, supportsCurrentTimestampSelection, supportsEmptyInList, supportsExistsInSelect, supportsExpectedLobUsagePattern, supportsIfExistsAfterAlterTable, supportsIfExistsAfterConstraintName, supportsIfExistsAfterTableName, supportsIfExistsBeforeConstraintName, supportsIfExistsBeforeTableName, supportsLimit, supportsLimitOffset, supportsLobValueChangePropogation, supportsLockTimeouts, supportsNamedParameters, supportsNationalizedTypes, supportsNoColumnsInsert, supportsNonQueryWithCTE, supportsNotNullUnique, supportsNoWait, supportsOuterJoinForUpdate, supportsParametersInInsertSelect, supportsPartitionBy, supportsPooledSequences, supportsResultSetPositionQueryMethodsOnForwardOnlyCursor, supportsRowValueConstructorSyntax, supportsRowValueConstructorSyntaxInInList, supportsSelectAliasInGroupByClause, supportsSkipLocked, supportsSubqueryOnMutatingTable, supportsSubselectAsInPredicateLHS, supportsTableCheck, supportsTupleCounts, supportsTupleDistinctCounts, supportsTuplesInSubqueries, supportsUnboundedLobLocatorMaterialization, supportsUnionAll, supportsUnique, supportsUniqueConstraintInCreateAlterTable, supportsValuesList, supportsVariableLimit, toBooleanValueString, toString, transformSelectString, useFollowOnLocking, useFollowOnLocking, useInputStreamToInsertBlob, useMaxForLimit

从类继承的方法 java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

- 构造器详细资料
  - SAPDBDialect
```
public SAPDBDialect()
```
    Constructs a SAPDBDialect
- 方法详细资料
  - dropConstraints
```
public boolean dropConstraints()
```
    从类复制的说明: Dialect
    
    Do we need to drop constraints before dropping tables in this dialect?
    
    覆盖:
    
    dropConstraints 在类中 Dialect
    
    返回:
    
    True if constraints must be dropped prior to dropping the table; false otherwise.
  - getAddColumnString
```
public String getAddColumnString()
```
    从类复制的说明: Dialect
    
    The syntax used to add a column to a table (optional).
    
    覆盖:
    
    getAddColumnString 在类中 Dialect
    
    返回:
    
    The "add column" fragment.
  - getAddForeignKeyConstraintString
```
public String getAddForeignKeyConstraintString(String constraintName,
                                               String[] foreignKey,
                                               String referencedTable,
                                               String[] primaryKey,
                                               boolean referencesPrimaryKey)
```
    从类复制的说明: Dialect
    
    The syntax used to add a foreign key constraint to a table.
    
    覆盖:
    
    getAddForeignKeyConstraintString 在类中 Dialect
    
    参数:
    
    constraintName - The FK constraint name.
    
    foreignKey - The names of the columns comprising the FK
    
    referencedTable - The table referenced by the FK
    
    primaryKey - The explicit columns in the referencedTable referenced by this FK.
    
    referencesPrimaryKey - if false, constraint should be explicit about which column names the constraint refers to
    
    返回:
    
    the "add FK" fragment
  - getAddForeignKeyConstraintString
```
public String getAddForeignKeyConstraintString(String constraintName,
                                               String foreignKeyDefinition)
```
    覆盖:
    
    getAddForeignKeyConstraintString 在类中 Dialect
  - getAddPrimaryKeyConstraintString
```
public String getAddPrimaryKeyConstraintString(String constraintName)
```
    从类复制的说明: Dialect
    
    The syntax used to add a primary key constraint to a table.
    
    覆盖:
    
    getAddPrimaryKeyConstraintString 在类中 Dialect
    
    参数:
    
    constraintName - The name of the PK constraint.
    
    返回:
    
    The "add PK" fragment
  - getNullColumnString
```
public String getNullColumnString()
```
    从类复制的说明: Dialect
    
    The keyword used to specify a nullable column.
    
    覆盖:
    
    getNullColumnString 在类中 Dialect
    
    返回:
    
    String
  - getSequenceNextValString
```
public String getSequenceNextValString(String sequenceName)
```
    从类复制的说明: Dialect
    
    Generate the appropriate select statement to to retrieve the next value of a sequence.
    This should be a "stand alone" select statement.
    
    覆盖:
    
    getSequenceNextValString 在类中 Dialect
    
    参数:
    
    sequenceName - the name of the sequence
    
    返回:
    
    String The "nextval" select string.
  - getSelectSequenceNextValString
```
public String getSelectSequenceNextValString(String sequenceName)
```
    从类复制的说明: Dialect
    
    Generate the select expression fragment that will retrieve the next value of a sequence as part of another (typically DML) statement.
    This differs from Dialect.getSequenceNextValString(String) in that this should return an expression usable within another statement.
    
    覆盖:
    
    getSelectSequenceNextValString 在类中 Dialect
    
    参数:
    
    sequenceName - the name of the sequence
    
    返回:
    
    The "nextval" fragment.
  - getCreateSequenceString
```
public String getCreateSequenceString(String sequenceName)
```
    从类复制的说明: Dialect
    
    Typically dialects which support sequences can create a sequence with a single command. This is convenience form of Dialect.getCreateSequenceStrings(java.lang.String) to help facilitate that.
    Dialects which support sequences and can create a sequence in a single command need *only* override this method. Dialects which support sequences but require multiple commands to create a sequence should instead override Dialect.getCreateSequenceStrings(java.lang.String).
    
    覆盖:
    
    getCreateSequenceString 在类中 Dialect
    
    参数:
    
    sequenceName - The name of the sequence
    
    返回:
    
    The sequence creation command
  - getDropSequenceString
```
public String getDropSequenceString(String sequenceName)
```
    从类复制的说明: Dialect
    
    Typically dialects which support sequences can drop a sequence with a single command. This is convenience form of Dialect.getDropSequenceStrings(java.lang.String) to help facilitate that.
    Dialects which support sequences and can drop a sequence in a single command need *only* override this method. Dialects which support sequences but require multiple commands to drop a sequence should instead override Dialect.getDropSequenceStrings(java.lang.String).
    
    覆盖:
    
    getDropSequenceString 在类中 Dialect
    
    参数:
    
    sequenceName - The name of the sequence
    
    返回:
    
    The sequence drop commands
  - getQuerySequencesString
```
public String getQuerySequencesString()
```
    从类复制的说明: Dialect
    
    Get the select command used retrieve the names of all sequences.
    
    覆盖:
    
    getQuerySequencesString 在类中 Dialect
    
    返回:
    
    The select command; or null if sequences are not supported.
    
    另请参阅:
    
    SchemaUpdate
  - getSequenceInformationExtractor
```
public SequenceInformationExtractor getSequenceInformationExtractor()
```
    覆盖:
    
    getSequenceInformationExtractor 在类中 Dialect
  - supportsSequences
```
public boolean supportsSequences()
```
    从类复制的说明: Dialect
    
    Does this dialect support sequences?
    
    覆盖:
    
    supportsSequences 在类中 Dialect
    
    返回:
    
    True if sequences supported; false otherwise.
  - createCaseFragment
```
public CaseFragment createCaseFragment()
```
    从类复制的说明: Dialect
    
    Create a CaseFragment strategy responsible for handling this dialect's variations in how CASE statements are handled.
    
    覆盖:
    
    createCaseFragment 在类中 Dialect
    
    返回:
    
    This dialect's CaseFragment strategy.
  - getDefaultMultiTableBulkIdStrategy
```
public MultiTableBulkIdStrategy getDefaultMultiTableBulkIdStrategy()
```
    覆盖:
    
    getDefaultMultiTableBulkIdStrategy 在类中 Dialect
  - supportsJdbcConnectionLobCreation
```
public boolean supportsJdbcConnectionLobCreation(DatabaseMetaData databaseMetaData)
```
    从类复制的说明: Dialect
    
    Check whether the JDBC Connection supports creating LOBs via Connection.createBlob(), Connection.createNClob() or Connection.createClob().
    
    覆盖:
    
    supportsJdbcConnectionLobCreation 在类中 Dialect
    
    参数:
    
    databaseMetaData - JDBC DatabaseMetaData which can be used if LOB creation is supported only starting from a given Driver version
    
    返回:
    
    true if LOBs can be created via the JDBC Connection.

类 SAPDBDialect

字段概要

从类继承的字段 org.hibernate.dialect.Dialect

构造器概要

方法概要

从类继承的方法 org.hibernate.dialect.Dialect

从类继承的方法 java.lang.Object

构造器详细资料

SAPDBDialect

方法详细资料

dropConstraints

getAddColumnString

getAddForeignKeyConstraintString

getAddForeignKeyConstraintString

getAddPrimaryKeyConstraintString

getNullColumnString

getSequenceNextValString

getSelectSequenceNextValString

getCreateSequenceString

getDropSequenceString

getQuerySequencesString

getSequenceInformationExtractor

supportsSequences

createCaseFragment

getDefaultMultiTableBulkIdStrategy

supportsJdbcConnectionLobCreation