org.apache.derby.impl.sql.execute

Class DMLVTIResultSet

java.lang.Object

org.apache.derby.impl.sql.execute.NoRowsResultSetImpl

org.apache.derby.impl.sql.execute.DMLWriteResultSet

org.apache.derby.impl.sql.execute.DMLVTIResultSet

All Implemented Interfaces:

ResultSet

Direct Known Subclasses:

DeleteVTIResultSet, InsertVTIResultSet, UpdateVTIResultSet

abstract class DMLVTIResultSet
extends DMLWriteResultSet

Base class for Insert, Delete & UpdateVTIResultSet

Field Summary

Fields

Modifier and Type	Field and Description
(package private) UpdatableVTIConstantAction	constants
(package private) boolean	firstExecute
private int	numOpens
(package private) ResultDescription	resultDescription
(package private) NoPutResultSet	savedSource
(package private) NoPutResultSet	sourceResultSet
(package private) TransactionController	tc

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

baseRowReadMap, constantAction, deferredSparseRow, heapDCOCI, indexDCOCIs, rowCount, streamStorableHeapColIds

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

activation, beginExecutionTime, beginTime, endExecutionTime, endTime, lcc

Fields inherited from interface org.apache.derby.iapi.sql.ResultSet

CURRENT_RESULTSET_ONLY, ENTIRE_RESULTSET_TREE, ISAFTERLAST, ISBEFOREFIRST, ISFIRST, ISLAST

Constructor Summary

Constructors

Constructor and Description
DMLVTIResultSet(NoPutResultSet source, Activation activation)

Method Summary

Methods

Modifier and Type	Method and Description
void	cleanUp() Tells the system to clean up on an error.
void	finish() Tells the system that there will be no more access to any database information via this result set; in particular, no more calls to open().
ResultDescription	getResultDescription() Returns the description of the inserted rows.
void	open() Needs to be called before the result set will do anything.
protected abstract void	openCore()

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

decodeLockMode, getIndexNameFromCID, getNextRowCore, makeDeferredSparseRow, modifiedRowCount

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

addWarning, checkRowPosition, clearCurrentRow, close, doesCommit, evaluateACheckConstraint, evaluateCheckConstraints, evaluateGenerationClauses, getAbsoluteRow, getActivation, getAutoGeneratedKeysResultset, getBeginExecutionTimestamp, getCurrentTimeMillis, getCursorName, getEndExecutionTimestamp, getExecuteTime, getFirstRow, getLastRow, getNextRow, getPreviousRow, getQueryPlanText, getRelativeRow, getRowNumber, getSubqueryTrackingArray, getTimeSpent, getWarnings, isClosed, returnsRows, setAfterLastRow, setBeforeFirstRow, setup

Methods inherited from class java.lang.Object

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

Field Detail

sourceResultSet

NoPutResultSet sourceResultSet

savedSource

NoPutResultSet savedSource

constants

UpdatableVTIConstantAction constants

tc

TransactionController tc

resultDescription

ResultDescription resultDescription

numOpens

private int numOpens

firstExecute

boolean firstExecute

Constructor Detail

DMLVTIResultSet

DMLVTIResultSet(NoPutResultSet source,
               Activation activation)
          throws StandardException

Throws:

StandardException - Thrown on error

Method Detail

getResultDescription

public ResultDescription getResultDescription()

Returns the description of the inserted rows. REVISIT: Do we want this to return NULL instead?

Specified by:

getResultDescription in interface ResultSet

Overrides:

getResultDescription in class NoRowsResultSetImpl

Returns:

A ResultDescription describing the results of the statement.

open

public void open()
          throws StandardException

Description copied from interface: ResultSet

Needs to be called before the result set will do anything. Need to call before getNextRow(), or for a result set that doesn't return rows, this is the call that will cause all the work to be done.

Throws:

StandardException - Standard Derby error policy

openCore

protected abstract void openCore()
                          throws StandardException

Throws:

StandardException

cleanUp

public void cleanUp()
             throws StandardException

Description copied from interface: ResultSet

Tells the system to clean up on an error.

Throws:

StandardException - Thrown on error

See Also:

ResultSet.cleanUp()

finish

public void finish()
            throws StandardException

Description copied from interface: ResultSet

Tells the system that there will be no more access to any database information via this result set; in particular, no more calls to open(). Will close the result set if it is not already closed.

Specified by:

finish in interface ResultSet

Overrides:

finish in class NoRowsResultSetImpl

Throws:

StandardException - on error