org.apache.hadoop.hive.ql.ddl.table

Class AbstractAlterTableOperation<T extends AbstractAlterTableDesc>

java.lang.Object

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

org.apache.hadoop.hive.ql.ddl.table.AbstractAlterTableOperation<T>

Direct Known Subclasses:

AlterTableAddColumnsOperation, AlterTableChangeColumnOperation, AlterTableClusteredByOperation, AlterTableIntoBucketsOperation, AlterTableNotClusteredOperation, AlterTableNotSkewedOperation, AlterTableNotSortedOperation, AlterTableRenameOperation, AlterTableReplaceColumnsOperation, AlterTableSetFileFormatOperation, AlterTableSetLocationOperation, AlterTableSetOwnerOperation, AlterTableSetPartitionSpecOperation, AlterTableSetPropertiesOperation, AlterTableSetSerdeOperation, AlterTableSetSerdePropsOperation, AlterTableSetSkewedLocationOperation, AlterTableSkewedByOperation, AlterTableUnsetPropertiesOperation, AlterTableUnsetSerdePropsOperation, AlterTableUpdateColumnsOperation

public abstract class AbstractAlterTableOperation<T extends AbstractAlterTableDesc>
extends DDLOperation<T>

Operation process of running some alter table command that requires write id.

Field Summary

Fields

Modifier and Type	Field and Description
protected org.apache.hadoop.hive.metastore.api.EnvironmentContext	environmentContext

Fields inherited from class org.apache.hadoop.hive.ql.ddl.DDLOperation

context, desc, LOG

Constructor Summary

Constructors

Constructor and Description
AbstractAlterTableOperation(DDLOperationContext context, T desc)

Method Summary

Modifier and Type	Method and Description
protected abstract void	doAlteration(Table table, Partition partition)
int	execute()
protected org.apache.hadoop.hive.metastore.api.StorageDescriptor	getStorageDescriptor(Table tbl, Partition part)

Methods inherited from class java.lang.Object

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

Field Detail

environmentContext

protected org.apache.hadoop.hive.metastore.api.EnvironmentContext environmentContext

Constructor Detail

AbstractAlterTableOperation

public AbstractAlterTableOperation(DDLOperationContext context,
                                   T desc)

Method Detail

execute

public int execute()
            throws HiveException

Specified by:

execute in class DDLOperation<T extends AbstractAlterTableDesc>

Throws:

HiveException

doAlteration

protected abstract void doAlteration(Table table,
                                     Partition partition)
                              throws HiveException

Throws:

HiveException

getStorageDescriptor

protected org.apache.hadoop.hive.metastore.api.StorageDescriptor getStorageDescriptor(Table tbl,
                                                                                      Partition part)