UpdatableVTIConstantAction (Apache Derby V10.14 Internals)

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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 Description

int[] changedColumnIds
This class implements Formatable.

int statementType
- Fields inherited from interface org.apache.derby.iapi.sql.execute.ConstantAction
  WHEN_MATCHED_THEN_DELETE, WHEN_MATCHED_THEN_UPDATE, WHEN_NOT_MATCHED_THEN_INSERT
- 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	Description
`UpdatableVTIConstantAction()`	Public niladic constructor.
`UpdatableVTIConstantAction(int statementType, boolean deferred, int[] changedColumnIds)`	Make the ConstantAction for an updatable VTI statement.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type Method Description

int getTypeFormatId()
Get the formatID which corresponds to this class.
- Methods inherited from class java.lang.Object
  clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
- Methods inherited from class org.apache.derby.impl.sql.execute.WriteCursorConstantAction
  executeConstantAction, getBaseRowReadList, getBaseRowReadMap, getConglomerateId, getFKInfo, getIndexNameFromCID, getIndexNames, getProperty, getStreamStorableHeapColIds, getTargetProperties, getTriggerInfo, readExternal, underMerge, writeExternal

- 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
```
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 Detail
  - getTypeFormatId
```
public int getTypeFormatId()
```
    Get the formatID which corresponds to this class.
    
    Returns:
    
    the formatID of this class

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Built on Wed 2018-05-16 16:01:03+0000, from revision ???

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Apache Derby V10.14 Internals - Copyright © 2004,2018 The Apache Software Foundation. All Rights Reserved.