org.apache.derby.impl.sql.execute

Class UpdatableVTIConstantAction

java.lang.Object

org.apache.derby.impl.sql.execute.WriteCursorConstantAction

org.apache.derby.impl.sql.execute.UpdatableVTIConstantAction

All Implemented Interfaces:

java.io.Externalizable, java.io.Serializable, Formatable, TypedFormat, ConstantAction

public class UpdatableVTIConstantAction
extends WriteCursorConstantAction

This class describes compiled constants that are passed into Updatable VTIResultSets.

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
int[]	changedColumnIds This class implements Formatable.
int	statementType

Fields inherited from class org.apache.derby.impl.sql.execute.WriteCursorConstantAction

conglomId, deferred, heapSCOCI, indexCIDS, indexNames, indexSCOCIs, irgs, lockMode, singleRowSource, targetUUID

Constructor Summary

Constructors

Constructor and Description
UpdatableVTIConstantAction() Public niladic constructor.
UpdatableVTIConstantAction(int statementType, boolean deferred, int[] changedColumnIds) Make the ConstantAction for an updatable VTI statement.

Method Summary

Modifier and Type	Method and Description
int	getTypeFormatId() Get the formatID which corresponds to this class.

Methods inherited from class org.apache.derby.impl.sql.execute.WriteCursorConstantAction

executeConstantAction, getBaseRowReadList, getBaseRowReadMap, getConglomerateId, getFKInfo, getIndexNameFromCID, getIndexNames, getProperty, getStreamStorableHeapColIds, getTargetProperties, getTriggerInfo, readExternal, writeExternal

Methods inherited from class java.lang.Object

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

Field Detail

changedColumnIds

public int[] changedColumnIds

This class implements Formatable. But it is NOT used across either major or minor releases. It is only written persistently in stored prepared statements, not in the replication stage. SO, IT IS OK TO CHANGE ITS read/writeExternal.

statementType

public int statementType

Constructor Detail

UpdatableVTIConstantAction

public UpdatableVTIConstantAction()

Public niladic constructor. Needed for Formatable interface to work.

UpdatableVTIConstantAction

public UpdatableVTIConstantAction(int statementType,
                                  boolean deferred,
                                  int[] changedColumnIds)

Make the ConstantAction for an updatable VTI statement.

Parameters:

deferred - Whether or not to do operation in deferred mode

changedColumnIds - Array of ids of changed columns

Method Detail

getTypeFormatId

public int getTypeFormatId()

Get the formatID which corresponds to this class.

Returns:

the formatID of this class