org.h2.command.dml

类 Update

java.lang.Object

org.h2.command.Prepared

org.h2.command.dml.DataChangeStatement

org.h2.command.dml.Update

public final class Update
extends DataChangeStatement

This class represents the statement UPDATE

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

构造器和说明
Update(SessionLocal session)

方法概要

限定符和类型	方法和说明
void	collectDependencies(HashSet<DbObject> dependencies) Find and collect all DbObjects, this Prepared depends on.
Expression	getCondition()
Insert	getOnDuplicateKeyInsert()
String	getPlanSQL(int sqlFlags) Get the SQL statement with the execution plan.
String	getStatementName() Return the name of this statement.
Table	getTable() Return the target table.
TableFilter	getTableFilter()
int	getType() Get the command type as defined in CommandInterface
void	setCondition(Expression condition)
void	setFetch(Expression fetch)
void	setFromTableFilter(TableFilter tableFilter)
void	setSetClauseList(SetClauseList setClauseList)
void	setTableFilter(TableFilter tableFilter)
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.dml.DataChangeStatement

isCacheable, isTransactional, prepare, queryMeta, update

从类继承的方法 org.h2.command.Prepared

checkCanceled, checkParameters, getCteCleanups, getCurrentRowNumber, getObjectId, getParameters, getPersistedObjectId, getSession, getSimpleSQL, getSQL, getSQLTokens, 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

Update

public Update(SessionLocal session)

方法详细资料

setSetClauseList

public void setSetClauseList(SetClauseList setClauseList)

setFromTableFilter

public void setFromTableFilter(TableFilter tableFilter)

update

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

从类复制的说明: DataChangeStatement

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

指定者:

update 在类中 DataChangeStatement

参数:

deltaChangeCollector - target result

deltaChangeCollectionMode - collection mode

返回:

the update count

getPlanSQL

public String getPlanSQL(int sqlFlags)

从类复制的说明: Prepared

Get the SQL statement with the execution plan.

覆盖:

getPlanSQL 在类中 Prepared

参数:

sqlFlags - formatting flags

返回:

the execution plan

getType

public int getType()

从类复制的说明: Prepared

Get the command type as defined in CommandInterface

指定者:

getType 在类中 Prepared

返回:

the statement type

getStatementName

public String getStatementName()

从类复制的说明: DataChangeStatement

Return the name of this statement.

指定者:

getStatementName 在类中 DataChangeStatement

返回:

the short name of this statement.

collectDependencies

public void collectDependencies(HashSet<DbObject> dependencies)

从类复制的说明: Prepared

Find and collect all DbObjects, this Prepared depends on.

覆盖:

collectDependencies 在类中 Prepared

参数:

dependencies - collection of dependencies to populate

getOnDuplicateKeyInsert

public Insert getOnDuplicateKeyInsert()

getTable

public final Table getTable()

从类复制的说明: DataChangeStatement

Return the target table.

指定者:

getTable 在类中 DataChangeStatement

返回:

the target table

setTableFilter

public final void setTableFilter(TableFilter tableFilter)

getTableFilter

public final TableFilter getTableFilter()

setCondition

public final void setCondition(Expression condition)

getCondition

public final Expression getCondition()

setFetch

public void setFetch(Expression fetch)