程序包 com.mysql.cj.xdevapi

类 SelectStatementImpl

java.lang.Object

com.mysql.cj.xdevapi.PreparableStatement<RES_T>

com.mysql.cj.xdevapi.FilterableStatement<SelectStatement,RowResult>

com.mysql.cj.xdevapi.SelectStatementImpl

所有已实现的接口:

SelectStatement, Statement<SelectStatement,RowResult>

public class SelectStatementImpl
extends FilterableStatement<SelectStatement,RowResult>
implements SelectStatement

SelectStatement implementation.

嵌套类概要

从类继承的嵌套类/接口 com.mysql.cj.xdevapi.PreparableStatement

PreparableStatement.PreparableStatementFinalizer, PreparableStatement.PreparedState

从接口继承的嵌套类/接口 com.mysql.cj.xdevapi.Statement

Statement.LockContention

字段概要

从类继承的字段 com.mysql.cj.xdevapi.FilterableStatement

filterParams

从类继承的字段 com.mysql.cj.xdevapi.PreparableStatement

mysqlxSession, preparedState, preparedStatementId

方法概要

修饰符和类型	方法	说明
CompletableFuture<RowResult>	executeAsync()	Execute the statement asynchronously.
protected RowResult	executePreparedStatement()	Executes a previously server-prepared statement.
protected RowResult	executeStatement()	Executes the statement directly (non-prepared).
FilterParams	getFilterParams()	Return FilterParams defined for this statement.
protected XMessage	getPrepareStatementXMessage()	Returns the XMessage needed to prepare this statement.
SelectStatement	groupBy(String... groupBy)	Add/replace the aggregation fields for this query.
SelectStatement	having(String having)	Add/replace the aggregate criteria for this query.
SelectStatement	lockExclusive()	Locks matching rows exclusively so no other transactions can read or write to them.
SelectStatement	lockExclusive(Statement.LockContention lockContention)	Locks matching rows exclusively so no other transactions can read or write to them, using the provided lock contention option.
SelectStatement	lockShared()	Locks matching rows against updates.
SelectStatement	lockShared(Statement.LockContention lockContention)	Locks matching rows against updates using the provided lock contention option.

从类继承的方法 com.mysql.cj.xdevapi.FilterableStatement

bind, clearBindings, isRelational, limit, offset, orderBy, sort, where

从类继承的方法 com.mysql.cj.xdevapi.PreparableStatement

deallocatePrepared, execute, getMessageBuilder, resetPrepareState, setReprepareState

从类继承的方法 java.lang.Object

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

从接口继承的方法 com.mysql.cj.xdevapi.SelectStatement

limit, offset, orderBy, where

从接口继承的方法 com.mysql.cj.xdevapi.Statement

bind, bind, bind, bind, clearBindings, execute

方法详细资料

executeStatement

protected RowResult executeStatement()

从类复制的说明: PreparableStatement

Executes the statement directly (non-prepared). Implementation is dependent on the statement type.

指定者:

executeStatement 在类中 PreparableStatement<RowResult>

返回:

the object returned from the lower level statement execution

getPrepareStatementXMessage

protected XMessage getPrepareStatementXMessage()

从类复制的说明: PreparableStatement

Returns the XMessage needed to prepare this statement. Implementation is dependent on the statement type.

指定者:

getPrepareStatementXMessage 在类中 PreparableStatement<RowResult>

返回:

the XMessage that prepares this statement

executePreparedStatement

protected RowResult executePreparedStatement()

从类复制的说明: PreparableStatement

Executes a previously server-prepared statement. Implementation is dependent on the statement type.

指定者:

executePreparedStatement 在类中 PreparableStatement<RowResult>

返回:

the object returned from the lower level statement execution

executeAsync

public CompletableFuture<RowResult> executeAsync()

从接口复制的说明: Statement

Execute the statement asynchronously.

指定者:

executeAsync 在接口中 Statement<SelectStatement,RowResult>

返回:

CompletableFuture for result

groupBy

public SelectStatement groupBy(String... groupBy)

从接口复制的说明: SelectStatement

Add/replace the aggregation fields for this query.

指定者:

groupBy 在接口中 SelectStatement

参数:

groupBy - groupBy expression

返回:

SelectStatement

having

public SelectStatement having(String having)

从接口复制的说明: SelectStatement

Add/replace the aggregate criteria for this query.

指定者:

having 在接口中 SelectStatement

参数:

having - having expression

返回:

SelectStatement

getFilterParams

public FilterParams getFilterParams()

从接口复制的说明: SelectStatement

Return FilterParams defined for this statement.

指定者:

getFilterParams 在接口中 SelectStatement

返回:

FilterParams

lockShared

public SelectStatement lockShared()

从接口复制的说明: SelectStatement

Locks matching rows against updates.

指定者:

lockShared 在接口中 SelectStatement

返回:

SelectStatement

lockShared

public SelectStatement lockShared(Statement.LockContention lockContention)

从接口复制的说明: SelectStatement

Locks matching rows against updates using the provided lock contention option.

指定者:

lockShared 在接口中 SelectStatement

参数:

lockContention - The Statement.LockContention value to set.

返回:

SelectStatement

lockExclusive

public SelectStatement lockExclusive()

从接口复制的说明: SelectStatement

Locks matching rows exclusively so no other transactions can read or write to them.

指定者:

lockExclusive 在接口中 SelectStatement

返回:

SelectStatement

lockExclusive

public SelectStatement lockExclusive(Statement.LockContention lockContention)

从接口复制的说明: SelectStatement

Locks matching rows exclusively so no other transactions can read or write to them, using the provided lock contention option.

指定者:

lockExclusive 在接口中 SelectStatement

参数:

lockContention - The Statement.LockContention value to set.

返回:

SelectStatement