org.h2.command.dml

Class Update

java.lang.Object

org.h2.command.Prepared

org.h2.command.dml.DataChangeStatement

org.h2.command.dml.Update

public final class Update
extends DataChangeStatement

This class represents the statement UPDATE

Field Summary

Fields inherited from class org.h2.command.Prepared

create, parameters, prepareAlways, session, sqlStatement, sqlTokens

Constructor Summary

Constructors

Constructor and Description
Update(SessionLocal session)

Method Summary

Modifier and Type	Method and Description
void	collectDependencies(java.util.HashSet<DbObject> dependencies) Find and collect all DbObjects, this Prepared depends on.
Expression	getCondition()
Insert	getOnDuplicateKeyInsert()
java.lang.String	getPlanSQL(int sqlFlags) Get the SQL statement with the execution plan.
java.lang.String	getStatementName() Return the name of this statement.
Table	getTable() Return the target table.
TableFilter	getTableFilter()
int	getType() Get the command type as defined in CommandInterface
void	setCondition(Expression condition)
void	setFetch(Expression fetch)
void	setFromTableFilter(TableFilter tableFilter)
void	setSetClauseList(SetClauseList setClauseList)
void	setTableFilter(TableFilter tableFilter)
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.DataChangeStatement

isCacheable, isTransactional, prepare, queryMeta, update

Methods inherited from class org.h2.command.Prepared

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

Methods inherited from class java.lang.Object

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

Constructor Detail

Update

public Update(SessionLocal session)

Method Detail

setSetClauseList

public void setSetClauseList(SetClauseList setClauseList)

setFromTableFilter

public void setFromTableFilter(TableFilter tableFilter)

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

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

getOnDuplicateKeyInsert

public Insert getOnDuplicateKeyInsert()

getTable

public final Table getTable()

Description copied from class: DataChangeStatement

Return the target table.

Specified by:

getTable in class DataChangeStatement

Returns:

the target table

setTableFilter

public final void setTableFilter(TableFilter tableFilter)

getTableFilter

public final TableFilter getTableFilter()

setCondition

public final void setCondition(Expression condition)

getCondition

public final Expression getCondition()

setFetch

public void setFetch(Expression fetch)