Package org.h2.command.dml

Class Delete

java.lang.Object

org.h2.command.Prepared

org.h2.command.dml.DataChangeStatement

org.h2.command.dml.FilteredDataChangeStatement

org.h2.command.dml.Delete

public final class Delete
extends FilteredDataChangeStatement

This class represents the statement DELETE

Field Summary

Fields inherited from class org.h2.command.dml.FilteredDataChangeStatement

condition, fetchExpr, targetTableFilter

Fields inherited from class org.h2.command.Prepared

create, parameters, prepareAlways, session, sqlStatement, sqlTokens

Constructor Summary

Constructors

Constructor	Description
Delete(SessionLocal session)

Method Summary

Modifier and Type	Method	Description
void	collectDependencies(java.util.HashSet<DbObject> dependencies)	Find and collect all DbObjects, this Prepared depends on.
java.lang.String	getPlanSQL(int sqlFlags)	Get the SQL statement with the execution plan.
java.lang.String	getStatementName()	Return the name of this statement.
int	getType()	Get the command type as defined in CommandInterface
void	prepare()	Prepare this statement.
long	update(ResultTarget deltaChangeCollector, DataChangeDeltaTable.ResultOption deltaChangeCollectionMode)	Execute the statement with specified delta change collector and collection mode.

Methods inherited from class org.h2.command.dml.FilteredDataChangeStatement

appendFilterCondition, getCondition, getTable, getTableFilter, nextRow, setCondition, setFetch, setTableFilter

Methods inherited from class org.h2.command.dml.DataChangeStatement

isCacheable, isTransactional, queryMeta, update

Methods inherited from class org.h2.command.Prepared

checkCanceled, checkParameters, getCteCleanups, getCurrentRowNumber, getObjectId, getParameters, getPersistedObjectId, getSession, getSimpleSQL, getSQL, getSQLTokens, isQuery, isReadOnly, needRecompile, query, setCommand, setCteCleanups, setCurrentRowNumber, setParameterList, setPersistedObjectId, setPrepareAlways, setRow, setSession, setSQL, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

Delete

public Delete(SessionLocal session)

Method Detail

update

public long update(ResultTarget deltaChangeCollector,
                   DataChangeDeltaTable.ResultOption deltaChangeCollectionMode)

Description copied from class: DataChangeStatement

Execute the statement with specified delta change collector and collection mode.

Specified by:

update in class DataChangeStatement

Parameters:

deltaChangeCollector - target result

deltaChangeCollectionMode - collection mode

Returns:

the update count

getPlanSQL

public java.lang.String getPlanSQL(int sqlFlags)

Description copied from class: Prepared

Get the SQL statement with the execution plan.

Overrides:

getPlanSQL in class Prepared

Parameters:

sqlFlags - formatting flags

Returns:

the execution plan

prepare

public void prepare()

Description copied from class: Prepared

Prepare this statement.

Overrides:

prepare in class Prepared

getType

public int getType()

Description copied from class: Prepared

Get the command type as defined in CommandInterface

Specified by:

getType in class Prepared

Returns:

the statement type

getStatementName

public java.lang.String getStatementName()

Description copied from class: DataChangeStatement

Return the name of this statement.

Specified by:

getStatementName in class DataChangeStatement

Returns:

the short name of this statement.

collectDependencies

public void collectDependencies(java.util.HashSet<DbObject> dependencies)

Description copied from class: Prepared

Find and collect all DbObjects, this Prepared depends on.

Overrides:

collectDependencies in class Prepared

Parameters:

dependencies - collection of dependencies to populate