Class MergeUsing.WhenMatchedThenUpdate

java.lang.Object

org.h2.command.dml.MergeUsing.When

org.h2.command.dml.MergeUsing.WhenMatchedThenUpdate

All Implemented Interfaces:

HasSQL

Enclosing class:

MergeUsing

public final class MergeUsing.WhenMatchedThenUpdate
extends MergeUsing.When

Field Summary

Fields

Modifier and Type	Field	Description
private SetClauseList	setClauseList

Fields inherited from class MergeUsing.When

andCondition

Fields inherited from interface HasSQL

ADD_PLAN_INFORMATION, DEFAULT_SQL_FLAGS, NO_CASTS, QUOTE_ONLY_WHEN_REQUIRED, REPLACE_LOBS_FOR_TRACE, TRACE_SQL_FLAGS

Constructor Summary

Constructors

Constructor	Description
WhenMatchedThenUpdate()

Method Summary

Modifier and Type	Method	Description
(package private) void	checkRights()	Checks user's INSERT, UPDATE, DELETE permission in appropriate cases.
(package private) void	collectDependencies(ExpressionVisitor visitor)	Find and collect all DbObjects, this When object depends on.
(package private) int	evaluateTriggerMasks()	Evaluates trigger mask (UPDATE, INSERT, DELETE).
StringBuilder	getSQL(StringBuilder builder, int sqlFlags)	Appends the SQL statement of this object to the specified builder.
(package private) void	merge(SessionLocal session, ResultTarget deltaChangeCollector, DataChangeDeltaTable.ResultOption deltaChangeCollectionMode)	Merges rows.
(package private) boolean	prepare(SessionLocal session)	Prepares WHEN command.
void	setSetClauseList(SetClauseList setClauseList)

Methods inherited from class MergeUsing.When

setAndCondition

Methods inherited from class Object

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

Methods inherited from interface HasSQL

getSQL, getTraceSQL

Field Details

setClauseList

private SetClauseList setClauseList

Constructor Details

WhenMatchedThenUpdate

public WhenMatchedThenUpdate()

Method Details

setSetClauseList

public void setSetClauseList(SetClauseList setClauseList)

merge

void merge(SessionLocal session,
 ResultTarget deltaChangeCollector,
 DataChangeDeltaTable.ResultOption deltaChangeCollectionMode)

Description copied from class: MergeUsing.When

Merges rows.

Specified by:

merge in class MergeUsing.When

Parameters:

session - the session

deltaChangeCollector - target result

deltaChangeCollectionMode - collection mode

prepare

boolean prepare(SessionLocal session)

Description copied from class: MergeUsing.When

Prepares WHEN command.

Overrides:

prepare in class MergeUsing.When

Parameters:

session - the session

Returns:

false if this clause may be removed

evaluateTriggerMasks

int evaluateTriggerMasks()

Description copied from class: MergeUsing.When

Evaluates trigger mask (UPDATE, INSERT, DELETE).

Specified by:

evaluateTriggerMasks in class MergeUsing.When

Returns:

the trigger mask.

checkRights

void checkRights()

Description copied from class: MergeUsing.When

Checks user's INSERT, UPDATE, DELETE permission in appropriate cases.

Specified by:

checkRights in class MergeUsing.When

collectDependencies

void collectDependencies(ExpressionVisitor visitor)

Description copied from class: MergeUsing.When

Find and collect all DbObjects, this When object depends on.

Overrides:

collectDependencies in class MergeUsing.When

Parameters:

visitor - the expression visitor

getSQL

public StringBuilder getSQL(StringBuilder builder,
 int sqlFlags)

Description copied from interface: HasSQL

Appends the SQL statement of this object to the specified builder.

Specified by:

getSQL in interface HasSQL

Overrides:

getSQL in class MergeUsing.When

Parameters:

builder - string builder

sqlFlags - formatting flags

Returns:

the specified string builder