Package org.h2.command.dml
Class DataChangeStatement
- java.lang.Object
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- org.h2.command.Prepared
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- org.h2.command.dml.DataChangeStatement
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- Direct Known Subclasses:
CommandWithValues
,FilteredDataChangeStatement
,MergeUsing
public abstract class DataChangeStatement extends Prepared
Data change statement.
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Field Summary
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Fields inherited from class org.h2.command.Prepared
create, parameters, prepareAlways, session, sqlStatement, sqlTokens
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Constructor Summary
Constructors Modifier Constructor Description protected
DataChangeStatement(SessionLocal session)
Creates new instance of DataChangeStatement.
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Method Summary
All Methods Instance Methods Abstract Methods Concrete Methods Modifier and Type Method Description abstract java.lang.String
getStatementName()
Return the name of this statement.abstract Table
getTable()
Return the target table.boolean
isCacheable()
boolean
isTransactional()
Check if this command is transactional.ResultInterface
queryMeta()
Get an empty result set containing the meta data.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 Detail
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DataChangeStatement
protected DataChangeStatement(SessionLocal session)
Creates new instance of DataChangeStatement.- Parameters:
session
- the session
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Method Detail
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getStatementName
public abstract java.lang.String getStatementName()
Return the name of this statement.- Returns:
- the short name of this statement.
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getTable
public abstract Table 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
public final ResultInterface queryMeta()
Description copied from class:Prepared
Get an empty result set containing the meta data.
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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.
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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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