Apache Derby Database Engine and Embedded JDBC Driver 10.17.1.0 · org.apache.derby.impl.sql.execute.UpdateResultSet

Modifier and Type	Field and Description
private FormatableBitSet	baseRowReadList
pack-priv boolean	beforeUpdateCopyRequired
private GeneratedMethod	checkGM
pack-priv UpdateConstantAction	constants
pack-priv boolean	deferred
protected ConglomerateController	deferredBaseCC
private ExecRow	deferredBaseRow
private BackingStoreHashtable	deferredChecks
private ExecRow	deferredSparseRow
private ExecRow	deferredTempRow
protected ConglomerateController[]	deferredUniqueCC
protected long[]	deferredUniqueCIDs
protected boolean[]	deferredUniqueCreated
protected ScanController[]	deferredUniqueScans
private TemporaryRowHolderImpl	deletedRowHolder
private FKInfo[]	fkInfoArray
private GeneratedMethod	generationClauses
private long	heapConglom
private TemporaryRowHolderImpl	insertedRowHolder
pack-priv int	lockMode
private ExecRow	newBaseRow
private int	numberOfBaseColumns
private int	numOpens
private ExecRow	oldDeletedRow
private int	resultWidth
private RISetChecker	riChecker
private ExecRow	row
private RowChanger	rowChanger
pack-priv NoPutResultSet	savedSource
private TransactionController	tc
private TriggerEventActivator	triggerActivator
private TriggerInfo	triggerInfo
private ResultDescription	triggerResultDescription
private boolean	updatingForeignKey
private boolean	updatingReferencedKey
private List<UUID>	violatingCheckConstraints

Access	Constructor and Description
pack-priv	UpdateResultSet(NoPutResultSet update rows come from source source, GeneratedMethod Generated method for computed generation clauses generationClauses, GeneratedMethod Generated method for enforcing check constraints checkGM, Activation The activation activation)
pack-priv	UpdateResultSet(NoPutResultSet update rows come from source source, GeneratedMethod Generated method for computed generation clauses generationClauses, GeneratedMethod Generated method for enforcing check constraints checkGM, Activation Activation activation, int id of the update constant action saved object constantActionItem, int id of the Result Description saved object rsdItem)
pack-priv	UpdateResultSet(NoPutResultSet update rows come from source source, GeneratedMethod Generated method for computed generation clauses generationClauses, GeneratedMethod Generated method for enforcing check constraints checkGM, Activation activation, ConstantAction passedInConstantAction, ResultDescription passedInRsd)

Method Summary

Modifier and Type	Method and Description
private FormatableBitSet	checkStreamCols()
public void	cleanUp() Implements org.apache.derby.iapi.sql.ResultSet.cleanUp. Tells the system to clean up on an error.
public void	close() Implements org.apache.derby.iapi.sql.ResultSet.close. Tells the system that there will be no more calls to getNextRow() (until the next open() call), so it can free up the resources associated with the ResultSet.
public boolean	collectAffectedRows()
private boolean	evaluateCheckConstraints() Run check constraints against the current row.
pack-priv void	fireAfterTriggers()
pack-priv void	fireBeforeTriggers()
public static boolean	foundRow(ExecRow checkRow, int[] colsToCheck, TemporaryRowHolderImpl rowHolder)
protected ExecRow	getNextRowCore(NoPutResultSet SourceResultSet Also look at Track#2432/change 12433 source) Overrides org.apache.derby.impl.sql.execute.DMLWriteResultSet.getNextRowCore. Get next row from the source result set.
public NumberDataValue	getSetAutoincrementValue(int position of the column in the table (1-based) columnPosition, long amount of increment. increment) Overrides org.apache.derby.impl.sql.execute.DMLWriteGeneratedColumnsResultSet.getSetAutoincrementValue. getSetAutoincrementValue will get the autoincrement value of the columnPosition specified for the target table.
protected void	initializeAIcache(RowLocation[] rla)
private void	notifyForUpdateCursor(DataValueDescriptor[] row, DataValueDescriptor[] newBaseRow, RowLocation rl, TableScanResultSet tableScan)
private void	objectifyStream(ExecRow tempRow, FormatableBitSet streamCols)
public void	open() Implements org.apache.derby.iapi.sql.ResultSet.open. Needs to be called before the result set will do anything.
private ExecRow	processMergeRow(NoPutResultSet sourceRS, ExecRow row) Special handling if this is an UPDATE action of a MERGE statement.
public void	rememberConstraint(UUID cid) Overrides org.apache.derby.impl.sql.execute.DMLWriteResultSet.rememberConstraint.
pack-priv void	rowChangerFinish()
pack-priv void	runChecker(boolean restrictCheckOnly)
pack-priv void	setup() Overrides org.apache.derby.impl.sql.execute.NoRowsResultSetImpl.setup. Set up the result set for use.
pack-priv void	updateDeferredRows()

Inherited from org.apache.derby.impl.sql.execute.DMLWriteGeneratedColumnsResultSet:: firstExecuteSpecialHandlingAutoGen getAutoGeneratedKeysResultset getCompactRow saveAIcacheInformation verifyAutoGeneratedRScolumnsList

Field Detail

baseRowReadList	back to summary
private FormatableBitSet baseRowReadList

beforeUpdateCopyRequired	back to summary
pack-priv boolean beforeUpdateCopyRequired

checkGM	back to summary
private GeneratedMethod checkGM

constants	back to summary
pack-priv UpdateConstantAction constants

deferred	back to summary
pack-priv boolean deferred

deferredBaseCC	back to summary
protected ConglomerateController deferredBaseCC

deferredBaseRow	back to summary
private ExecRow deferredBaseRow

deferredChecks	back to summary
private BackingStoreHashtable deferredChecks

deferredSparseRow	back to summary
private ExecRow deferredSparseRow

deferredTempRow	back to summary
private ExecRow deferredTempRow

deferredUniqueCC	back to summary
protected ConglomerateController[] deferredUniqueCC

deferredUniqueCIDs	back to summary
protected long[] deferredUniqueCIDs

deferredUniqueCreated	back to summary
protected boolean[] deferredUniqueCreated

deferredUniqueScans	back to summary
protected ScanController[] deferredUniqueScans

deletedRowHolder	back to summary
private TemporaryRowHolderImpl deletedRowHolder

fkInfoArray	back to summary
private FKInfo[] fkInfoArray

generationClauses	back to summary
private GeneratedMethod generationClauses

heapConglom	back to summary
private long heapConglom

insertedRowHolder	back to summary
private TemporaryRowHolderImpl insertedRowHolder

lockMode	back to summary
pack-priv int lockMode

newBaseRow	back to summary
private ExecRow newBaseRow

numberOfBaseColumns	back to summary
private int numberOfBaseColumns

numOpens	back to summary
private int numOpens

oldDeletedRow	back to summary
private ExecRow oldDeletedRow

resultWidth	back to summary
private int resultWidth

riChecker	back to summary
private RISetChecker riChecker

row	back to summary
private ExecRow row

rowChanger	back to summary
private RowChanger rowChanger

savedSource	back to summary
pack-priv NoPutResultSet savedSource

tc	back to summary
private TransactionController tc

triggerActivator	back to summary
private TriggerEventActivator triggerActivator

triggerInfo	back to summary
private TriggerInfo triggerInfo

triggerResultDescription	back to summary
private ResultDescription triggerResultDescription

updatingForeignKey	back to summary
private boolean updatingForeignKey

updatingReferencedKey	back to summary
private boolean updatingReferencedKey

violatingCheckConstraints	back to summary
private List<UUID> violatingCheckConstraints

Constructor Detail

UpdateResultSet	back to summary
pack-priv UpdateResultSet(NoPutResultSet source, GeneratedMethod generationClauses, GeneratedMethod checkGM, Activation activation) throws StandardException Parameters source:NoPutResultSet update rows come from source generationClauses:GeneratedMethod Generated method for computed generation clauses checkGM:GeneratedMethod Generated method for enforcing check constraints activation:Activation The activation Exceptions StandardException: thrown on error

UpdateResultSet

back to summary

pack-priv UpdateResultSet(NoPutResultSet source, GeneratedMethod generationClauses, GeneratedMethod checkGM, Activation activation) throws StandardException

Parameters

source:NoPutResultSet: update rows come from source
generationClauses:GeneratedMethod: Generated method for computed generation clauses
checkGM:GeneratedMethod: Generated method for enforcing check constraints
activation:Activation: The activation

Exceptions

StandardException:: thrown on error

UpdateResultSet	back to summary
pack-priv UpdateResultSet(NoPutResultSet source, GeneratedMethod generationClauses, GeneratedMethod checkGM, Activation activation, int constantActionItem, int rsdItem) throws StandardException Parameters source:NoPutResultSet update rows come from source generationClauses:GeneratedMethod Generated method for computed generation clauses checkGM:GeneratedMethod Generated method for enforcing check constraints activation:Activation Activation constantActionItem:int id of the update constant action saved object rsdItem:int id of the Result Description saved object Exceptions StandardException: thrown on error

UpdateResultSet

back to summary

pack-priv UpdateResultSet(NoPutResultSet source, GeneratedMethod generationClauses, GeneratedMethod checkGM, Activation activation, int constantActionItem, int rsdItem) throws StandardException

Parameters

source:NoPutResultSet: update rows come from source
generationClauses:GeneratedMethod: Generated method for computed generation clauses
checkGM:GeneratedMethod: Generated method for enforcing check constraints
activation:Activation: Activation
constantActionItem:int: id of the update constant action saved object
rsdItem:int: id of the Result Description saved object

Exceptions

StandardException:: thrown on error

UpdateResultSet	back to summary
pack-priv UpdateResultSet(NoPutResultSet source, GeneratedMethod generationClauses, GeneratedMethod checkGM, Activation activation, ConstantAction passedInConstantAction, ResultDescription passedInRsd) throws StandardException Parameters source:NoPutResultSet update rows come from source generationClauses:GeneratedMethod Generated method for computed generation clauses checkGM:GeneratedMethod Generated method for enforcing check constraints Exceptions StandardException: thrown on error

UpdateResultSet

back to summary

pack-priv UpdateResultSet(NoPutResultSet source, GeneratedMethod generationClauses, GeneratedMethod checkGM, Activation activation, ConstantAction passedInConstantAction, ResultDescription passedInRsd) throws StandardException

Parameters

source:NoPutResultSet: update rows come from source
generationClauses:GeneratedMethod: Generated method for computed generation clauses
checkGM:GeneratedMethod: Generated method for enforcing check constraints

Exceptions

StandardException:: thrown on error

Method Detail

checkStreamCols	back to summary
private FormatableBitSet checkStreamCols()

cleanUp back to summary

cleanUp	back to summary
public void cleanUp() throws StandardException Implements org.apache.derby.iapi.sql.ResultSet.cleanUp. Doc from org.apache.derby.iapi.sql.ResultSet.cleanUp. Tells the system to clean up on an error. Annotations @Override Exceptions StandardException: Thrown on error See Also `ResultSet#cleanUp`

public void cleanUp() throws StandardException

Implements org.apache.derby.iapi.sql.ResultSet.cleanUp.

Doc from org.apache.derby.iapi.sql.ResultSet.cleanUp.

Tells the system to clean up on an error.

Annotations

@Override

Exceptions

StandardException:: Thrown on error

See Also

ResultSet#cleanUp

close	back to summary
public void close() throws StandardException Implements org.apache.derby.iapi.sql.ResultSet.close. Doc from org.apache.derby.iapi.sql.ResultSet.close. Tells the system that there will be no more calls to getNextRow() (until the next open() call), so it can free up the resources associated with the ResultSet. Annotations @Override Exceptions StandardException: Thrown on error.

back to summary

public void close() throws StandardException

Implements org.apache.derby.iapi.sql.ResultSet.close.

Doc from org.apache.derby.iapi.sql.ResultSet.close.

Tells the system that there will be no more calls to getNextRow() (until the next open() call), so it can free up the resources associated with the ResultSet.

Annotations

@Override

Exceptions

StandardException:: Thrown on error.

collectAffectedRows	back to summary
public boolean collectAffectedRows() throws StandardException

evaluateCheckConstraints	back to summary
private boolean evaluateCheckConstraints() throws StandardException Run check constraints against the current row. Raise an error if a check constraint is violated, unless all the offending checks are deferred, in which case a false value will be returned. A NULL value will be interpreted as success (not violation). Exceptions StandardException: thrown on error

evaluateCheckConstraints

back to summary

private boolean evaluateCheckConstraints() throws StandardException

Run check constraints against the current row. Raise an error if a check constraint is violated, unless all the offending checks are deferred, in which case a false value will be returned. A NULL value will be interpreted as success (not violation).

Exceptions

StandardException:: thrown on error

fireAfterTriggers	back to summary
pack-priv void fireAfterTriggers() throws StandardException

fireBeforeTriggers	back to summary
pack-priv void fireBeforeTriggers() throws StandardException

foundRow	back to summary
public static boolean foundRow(ExecRow checkRow, int[] colsToCheck, TemporaryRowHolderImpl rowHolder) throws StandardException

getNextRowCore

back to summary

protected ExecRow getNextRowCore(NoPutResultSet source) throws StandardException

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

Doc from org.apache.derby.impl.sql.execute.DMLWriteResultSet.getNextRowCore.

Get next row from the source result set.

Parameters

source:NoPutResultSet: SourceResultSet Also look at Track#2432/change 12433

Returns:ExecRow

The next row in the result set

Annotations

@Override

Exceptions

StandardException:: Standard error policy

getSetAutoincrementValue

back to summary

public NumberDataValue getSetAutoincrementValue(int columnPosition, long increment) throws StandardException

Overrides org.apache.derby.impl.sql.execute.DMLWriteGeneratedColumnsResultSet.getSetAutoincrementValue.

getSetAutoincrementValue will get the autoincrement value of the columnPosition specified for the target table. If increment is non-zero we will also update the autoincrement value.

Parameters

columnPosition:int: position of the column in the table (1-based)
increment:long: amount of increment.

Exceptions

StandardException:: if anything goes wrong.

initializeAIcache	back to summary
protected void initializeAIcache(RowLocation[] rla) throws StandardException

notifyForUpdateCursor	back to summary
private void notifyForUpdateCursor(DataValueDescriptor[] row, DataValueDescriptor[] newBaseRow, RowLocation rl, TableScanResultSet tableScan) throws StandardException

objectifyStream	back to summary
private void objectifyStream(ExecRow tempRow, FormatableBitSet streamCols) throws StandardException

open

back to summary

public void open() throws StandardException

Implements org.apache.derby.iapi.sql.ResultSet.open.

Doc from org.apache.derby.iapi.sql.ResultSet.open.

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.

Annotations

@Override

Exceptions

StandardException:: Standard Derby error policy

processMergeRow	back to summary
private ExecRow processMergeRow(NoPutResultSet sourceRS, ExecRow row) throws StandardException Special handling if this is an UPDATE action of a MERGE statement.