org.apache.hadoop.hive.ql.ddl

Class DDLOperation<T extends DDLDesc>

java.lang.Object

org.apache.hadoop.hive.ql.ddl.DDLOperation<T>

Direct Known Subclasses:

AbortTransactionsOperation, AbstractAlterDatabaseOperation, AbstractAlterDataConnectorOperation, AbstractAlterResourcePlanStatusOperation, AbstractAlterTableOperation, AlterMaterializedViewRewriteOperation, AlterPoolAddTriggerOperation, AlterPoolDropTriggerOperation, AlterResourcePlanRenameOperation, AlterResourcePlanSetOperation, AlterResourcePlanUnsetOperation, AlterResourcePlanValidateOperation, AlterTableAddConstraintOperation, AlterTableAddPartitionOperation, AlterTableAlterPartitionOperation, AlterTableArchiveOperation, AlterTableCompactOperation, AlterTableConcatenateOperation, AlterTableDropConstraintOperation, AlterTableDropPartitionOperation, AlterTableExchangePartitionsOperation, AlterTableExecuteOperation, AlterTableRenamePartitionOperation, AlterTableTouchOperation, AlterTableUnarchiveOperation, AlterViewAsOperation, AlterWMMappingOperation, AlterWMPoolOperation, AlterWMTriggerOperation, CacheMetadataOperation, CreateDatabaseOperation, CreateDataConnectorOperation, CreateFunctionOperation, CreateMacroOperation, CreateMaterializedViewOperation, CreateResourcePlanOperation, CreateRoleOperation, CreateTableLikeOperation, CreateTableOperation, CreateViewOperation, CreateWMMappingOperation, CreateWMPoolOperation, CreateWMTriggerOperation, DescDatabaseOperation, DescDataConnectorOperation, DescFunctionOperation, DescTableOperation, DropDatabaseOperation, DropDataConnectorOperation, DropFunctionOperation, DropMacroOperation, DropMaterializedViewOperation, DropResourcePlanOperation, DropRoleOperation, DropTableOperation, DropViewOperation, DropWMMappingOperation, DropWMPoolOperation, DropWMTriggerOperation, GrantOperation, GrantRoleOperation, InsertCommitHookOperation, KillQueriesOperation, LockDatabaseOperation, LockTableOperation, MaterializedViewUpdateOperation, MsckOperation, PreInsertTableOperation, ReloadFunctionsOperation, ReplRemoveFirstIncLoadPendFlagOperation, RevokeOperation, RevokeRoleOperation, SetRoleOperation, ShowColumnsOperation, ShowCompactionsOperation, ShowConfOperation, ShowCreateDatabaseOperation, ShowCreateTableOperation, ShowCurrentRoleOperation, ShowDatabasesOperation, ShowDataConnectorsOperation, ShowFunctionsOperation, ShowGrantOperation, ShowLocksOperation, ShowMaterializedViewsOperation, ShowPartitionsOperation, ShowPrincipalsOperation, ShowResourcePlanOperation, ShowRoleGrantOperation, ShowRolesOperation, ShowTablePropertiesOperation, ShowTablesOperation, ShowTableStatusOperation, ShowTransactionsOperation, ShowViewsOperation, SwitchDatabaseOperation, TruncateTableOperation, UnlockDatabaseOperation, UnlockTableOperation

public abstract class DDLOperation<T extends DDLDesc>
extends Object

Abstract ancestor class of all DDL Operation classes. A class that is extending this abstract class, and which is under the org.apache.hadoop.hive.ql.ddl package will be registered automatically as the operation for it's generic DDLDesc argument.

Field Summary

Fields

Modifier and Type	Field and Description
protected DDLOperationContext	context
protected T	desc
protected static org.slf4j.Logger	LOG

Constructor Summary

Constructors

Constructor and Description
DDLOperation(DDLOperationContext context, T desc)

Method Summary

Modifier and Type	Method and Description
abstract int	execute()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

LOG

protected static final org.slf4j.Logger LOG

context

protected final DDLOperationContext context

desc

protected final T extends DDLDesc desc

Constructor Detail

DDLOperation

public DDLOperation(DDLOperationContext context,
                    T desc)

Method Detail

execute

public abstract int execute()
                     throws Exception

Throws:

Exception