Package org.h2.command.dml

Class MergeUsing.WhenNotMatched

java.lang.Object

org.h2.command.dml.MergeUsing.When

org.h2.command.dml.MergeUsing.WhenNotMatched

All Implemented Interfaces:

HasSQL

Enclosing class:

MergeUsing

public final class MergeUsing.WhenNotMatched
extends MergeUsing.When

Field Summary

Fields

Modifier and Type	Field	Description
private Column[]	columns
private java.lang.Boolean	overridingSystem
private Expression[]	values

Fields inherited from class org.h2.command.dml.MergeUsing.When

andCondition

Fields inherited from interface org.h2.util.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
WhenNotMatched(Column[] columns, java.lang.Boolean overridingSystem, Expression[] values)

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).
java.lang.StringBuilder	getSQL(java.lang.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.

Methods inherited from class org.h2.command.dml.MergeUsing.When

setAndCondition

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.h2.util.HasSQL

getSQL, getTraceSQL

Field Detail

columns

private Column[] columns

overridingSystem

private final java.lang.Boolean overridingSystem

values

private final Expression[] values

Constructor Detail

WhenNotMatched

public WhenNotMatched(Column[] columns,
                      java.lang.Boolean overridingSystem,
                      Expression[] values)

Method Detail

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 java.lang.StringBuilder getSQL(java.lang.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