org.h2.command.dml

类 DataChangeStatement

java.lang.Object

org.h2.command.Prepared

org.h2.command.dml.DataChangeStatement

直接已知子类:

CommandWithValues, Delete, MergeUsing, Update

public abstract class DataChangeStatement
extends Prepared

Data change statement.

字段概要

从类继承的字段 org.h2.command.Prepared

create, parameters, prepareAlways, session, sqlStatement, sqlTokens

构造器概要

构造器

限定符	构造器和说明
protected	DataChangeStatement(SessionLocal session) Creates new instance of DataChangeStatement.

方法概要

限定符和类型	方法和说明
abstract 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.
void	prepare() Prepare this statement.
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.

从类继承的方法 org.h2.command.Prepared

checkCanceled, checkParameters, collectDependencies, getCteCleanups, getCurrentRowNumber, getObjectId, getParameters, getPersistedObjectId, getPlanSQL, getSession, getSimpleSQL, getSQL, getSQLTokens, getType, isQuery, isReadOnly, isWithParamValues, needRecompile, query, setCommand, setCteCleanups, setCurrentRowNumber, setParameterList, setPersistedObjectId, setPrepareAlways, setRow, setSession, setSQL, setWithParamValues, toString

从类继承的方法 java.lang.Object

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

构造器详细资料

DataChangeStatement

protected DataChangeStatement(SessionLocal session)

Creates new instance of DataChangeStatement.

参数:

session - the session

方法详细资料

prepare

public final void prepare()

从类复制的说明: Prepared

Prepare this statement.

覆盖:

prepare 在类中 Prepared

getStatementName

public abstract String getStatementName()

Return the name of this statement.

返回:

the short name of this statement.

getTable

public abstract Table getTable()

Return the target table.

返回:

the target table

isTransactional

public final boolean isTransactional()

从类复制的说明: Prepared

Check if this command is transactional. If it is not, then it forces the current transaction to commit.

指定者:

isTransactional 在类中 Prepared

返回:

true if it is

queryMeta

public final ResultInterface queryMeta()

从类复制的说明: Prepared

Get an empty result set containing the meta data.

指定者:

queryMeta 在类中 Prepared

返回:

the result set

isCacheable

public boolean isCacheable()

覆盖:

isCacheable 在类中 Prepared

update

public final long update()

从类复制的说明: Prepared

Execute the statement.

覆盖:

update 在类中 Prepared

返回:

the update count

update

public abstract long update(ResultTarget deltaChangeCollector,
                            DataChangeDeltaTable.ResultOption deltaChangeCollectionMode)

Execute the statement with specified delta change collector and collection mode.

参数:

deltaChangeCollector - target result

deltaChangeCollectionMode - collection mode

返回:

the update count