Class UpdatableVTIConstantAction

java.lang.Object

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

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

All Implemented Interfaces:

Externalizable, 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	Description
int[]	changedColumnIds	This class implements Formatable.
int	statementType

Fields inherited from class WriteCursorConstantAction

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

Fields inherited from interface ConstantAction

WHEN_MATCHED_THEN_DELETE, WHEN_MATCHED_THEN_UPDATE, WHEN_NOT_MATCHED_THEN_INSERT

Constructor Summary

Constructors

Constructor	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	Description
int	getTypeFormatId()	Get the formatID which corresponds to this class.

Methods inherited from class WriteCursorConstantAction

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

Methods inherited from class Object

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

Field Details

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 Details

UpdatableVTIConstantAction

public UpdatableVTIConstantAction()

Public niladic constructor. Needed for Formatable interface to work.

UpdatableVTIConstantAction

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

Make the ConstantAction for an updatable VTI statement.

Parameters:

statementType - Statement type, cf. DeferModification.INSERT_STATEMENT etc.

deferred - Whether or not to do operation in deferred mode

changedColumnIds - Array of ids of changed columns

Method Details

getTypeFormatId

public int getTypeFormatId()

Get the formatID which corresponds to this class.

Returns:

the formatID of this class