程序包 com.mysql.cj.xdevapi

类 FindStatementImpl

java.lang.Object

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

com.mysql.cj.xdevapi.FilterableStatement<FindStatement,DocResult>

com.mysql.cj.xdevapi.FindStatementImpl

所有已实现的接口:

FindStatement, Statement<FindStatement,DocResult>

public class FindStatementImpl
extends FilterableStatement<FindStatement,DocResult>
implements FindStatement

FindStatement 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<DocResult>	executeAsync()	Execute the statement asynchronously.
protected DocResult	executePreparedStatement()	Executes a previously server-prepared statement.
protected DocResult	executeStatement()	Executes the statement directly (non-prepared).
FindStatement	fields(Expression docProjection)	Add/replace the field projection defining the result.
FindStatement	fields(String... projection)	Add/replace the field projections defining the result.
protected XMessage	getPrepareStatementXMessage()	Returns the XMessage needed to prepare this statement.
FindStatement	groupBy(String... groupBy)	Add/replace the aggregation fields for this query.
FindStatement	having(String having)	Add/replace the aggregate criteria for this query.
FindStatement	lockExclusive()	Locks matching rows exclusively so no other transactions can read or write to them.
FindStatement	lockExclusive(Statement.LockContention lockContention)	Locks matching rows exclusively so no other transactions can read or write to them, using the provided lock contention option.
FindStatement	lockShared()	Locks matching rows against updates.
FindStatement	lockShared(Statement.LockContention lockContention)	Locks matching rows against updates using the provided lock contention option.
FindStatement	where(String searchCondition)	已过时。 Deprecated in Connector/J 8.0.17.

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

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

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.FindStatement

limit, offset, orderBy, skip, sort

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 DocResult 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<DocResult>

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<DocResult>

返回:

the XMessage that prepares this statement

executePreparedStatement

protected DocResult 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<DocResult>

返回:

the object returned from the lower level statement execution

executeAsync

public CompletableFuture<DocResult> executeAsync()

从接口复制的说明: Statement

Execute the statement asynchronously.

指定者:

executeAsync 在接口中 Statement<FindStatement,DocResult>

返回:

CompletableFuture for result

fields

public FindStatement fields(String... projection)

从接口复制的说明: FindStatement

Add/replace the field projections defining the result.

指定者:

fields 在接口中 FindStatement

参数:

projection - projection expression

返回:

FindStatement

fields

public FindStatement fields(Expression docProjection)

从接口复制的说明: FindStatement

Add/replace the field projection defining the result.

指定者:

fields 在接口中 FindStatement

参数:

docProjection - projection expression

返回:

FindStatement

groupBy

public FindStatement groupBy(String... groupBy)

从接口复制的说明: FindStatement

Add/replace the aggregation fields for this query.

指定者:

groupBy 在接口中 FindStatement

参数:

groupBy - groupBy expression

返回:

FindStatement

having

public FindStatement having(String having)

从接口复制的说明: FindStatement

Add/replace the aggregate criteria for this query.

指定者:

having 在接口中 FindStatement

参数:

having - having expression

返回:

FindStatement

lockShared

public FindStatement lockShared()

从接口复制的说明: FindStatement

Locks matching rows against updates.

指定者:

lockShared 在接口中 FindStatement

返回:

FindStatement

lockShared

public FindStatement lockShared(Statement.LockContention lockContention)

从接口复制的说明: FindStatement

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

指定者:

lockShared 在接口中 FindStatement

参数:

lockContention - The Statement.LockContention value to set.

返回:

FindStatement

lockExclusive

public FindStatement lockExclusive()

从接口复制的说明: FindStatement

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

指定者:

lockExclusive 在接口中 FindStatement

返回:

FindStatement

lockExclusive

public FindStatement lockExclusive(Statement.LockContention lockContention)

从接口复制的说明: FindStatement

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 FindStatement

参数:

lockContention - The Statement.LockContention value to set.

返回:

FindStatement

where

@Deprecated
public FindStatement where(String searchCondition)

已过时。

Deprecated in Connector/J 8.0.17. Please use filter criteria in the operation starting method.

从类复制的说明: FilterableStatement

Add search condition to this statement.

 table.delete().where("age == 13").execute();
 

覆盖:

where 在类中 FilterableStatement<FindStatement,DocResult>

参数:

searchCondition - expression

返回:

this statement