Package org.h2.command.dml
Class DataChangeStatement
java.lang.Object
org.h2.command.Prepared
org.h2.command.dml.DataChangeStatement
- Direct Known Subclasses:
CommandWithValues
,FilteredDataChangeStatement
,MergeUsing
Data change statement.
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Field Summary
Fields inherited from class org.h2.command.Prepared
create, parameters, prepareAlways, session, sqlStatement, sqlTokens
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Constructor Summary
ConstructorsModifierConstructorDescriptionprotected
DataChangeStatement
(SessionLocal session) Creates new instance of DataChangeStatement. -
Method Summary
Modifier and TypeMethodDescriptionabstract String
Return the name of this statement.abstract Table
getTable()
Return the target table.boolean
final boolean
Check if this command is transactional.final ResultInterface
Get an empty result set containing the meta data.final long
update()
Execute the statement.abstract 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.Prepared
checkCanceled, checkParameters, collectDependencies, getCteCleanups, getCurrentRowNumber, getObjectId, getParameters, getPersistedObjectId, getPlanSQL, getSession, getSimpleSQL, getSQL, getSQLTokens, getType, isQuery, isReadOnly, needRecompile, prepare, query, setCommand, setCteCleanups, setCurrentRowNumber, setParameterList, setPersistedObjectId, setPrepareAlways, setRow, setSession, setSQL, toString
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Constructor Details
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DataChangeStatement
Creates new instance of DataChangeStatement.- Parameters:
session
- the session
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Method Details
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getStatementName
Return the name of this statement.- Returns:
- the short name of this statement.
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getTable
Return the target table.- Returns:
- the target table
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isTransactional
public final boolean isTransactional()Description copied from class:Prepared
Check if this command is transactional. If it is not, then it forces the current transaction to commit.- Specified by:
isTransactional
in classPrepared
- Returns:
- true if it is
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queryMeta
Description copied from class:Prepared
Get an empty result set containing the meta data. -
isCacheable
public boolean isCacheable()- Overrides:
isCacheable
in classPrepared
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update
public final long update()Description copied from class:Prepared
Execute the statement. -
update
public abstract long update(ResultTarget deltaChangeCollector, DataChangeDeltaTable.ResultOption deltaChangeCollectionMode) Execute the statement with specified delta change collector and collection mode.- Parameters:
deltaChangeCollector
- target resultdeltaChangeCollectionMode
- collection mode- Returns:
- the update count
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