Package org.h2.command.dml
Class MergeUsing.WhenMatchedThenUpdate
- java.lang.Object
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- org.h2.command.dml.MergeUsing.When
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- org.h2.command.dml.MergeUsing.WhenMatchedThenUpdate
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- All Implemented Interfaces:
HasSQL
- Enclosing class:
- MergeUsing
public final class MergeUsing.WhenMatchedThenUpdate extends MergeUsing.When
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Field Summary
Fields Modifier and Type Field Description private SetClauseList
setClauseList
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Fields inherited from class org.h2.command.dml.MergeUsing.When
andCondition
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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
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Constructor Summary
Constructors Constructor Description WhenMatchedThenUpdate()
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Method Summary
All Methods Instance Methods Concrete Methods 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.void
setSetClauseList(SetClauseList setClauseList)
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Methods inherited from class org.h2.command.dml.MergeUsing.When
setAndCondition
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Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
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Methods inherited from interface org.h2.util.HasSQL
getSQL, getTraceSQL
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Field Detail
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setClauseList
private SetClauseList setClauseList
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Method Detail
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setSetClauseList
public void setSetClauseList(SetClauseList setClauseList)
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merge
void merge(SessionLocal session, ResultTarget deltaChangeCollector, DataChangeDeltaTable.ResultOption deltaChangeCollectionMode)
Description copied from class:MergeUsing.When
Merges rows.- Specified by:
merge
in classMergeUsing.When
- Parameters:
session
- the sessiondeltaChangeCollector
- target resultdeltaChangeCollectionMode
- collection mode
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prepare
boolean prepare(SessionLocal session)
Description copied from class:MergeUsing.When
Prepares WHEN command.- Overrides:
prepare
in classMergeUsing.When
- Parameters:
session
- the session- Returns:
false
if this clause may be removed
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evaluateTriggerMasks
int evaluateTriggerMasks()
Description copied from class:MergeUsing.When
Evaluates trigger mask (UPDATE, INSERT, DELETE).- Specified by:
evaluateTriggerMasks
in classMergeUsing.When
- Returns:
- the trigger mask.
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checkRights
void checkRights()
Description copied from class:MergeUsing.When
Checks user's INSERT, UPDATE, DELETE permission in appropriate cases.- Specified by:
checkRights
in classMergeUsing.When
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collectDependencies
void collectDependencies(ExpressionVisitor visitor)
Description copied from class:MergeUsing.When
Find and collect all DbObjects, this When object depends on.- Overrides:
collectDependencies
in classMergeUsing.When
- Parameters:
visitor
- the expression visitor
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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 interfaceHasSQL
- Overrides:
getSQL
in classMergeUsing.When
- Parameters:
builder
- string buildersqlFlags
- formatting flags- Returns:
- the specified string builder
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