程序包 com.mysql.cj.xdevapi

类 PreparableStatement<RES_T>

java.lang.Object

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

类型参数:

RES_T - result interface

直接已知子类:

FilterableStatement

public abstract class PreparableStatement<RES_T>
extends Object

Abstract class, common to all X DevAPI statement classes that can be prepared.

嵌套类概要

嵌套类

修饰符和类型	类	说明
static class	PreparableStatement.PreparableStatementFinalizer	PhantomReference to track prepared statement ids.
protected static class	PreparableStatement.PreparedState

字段概要

字段

修饰符和类型	字段	说明
protected MysqlxSession	mysqlxSession
protected PreparableStatement.PreparedState	preparedState
protected int	preparedStatementId

构造器概要

构造器

构造器	说明
PreparableStatement()

方法概要

修饰符和类型	方法	说明
protected void	deallocatePrepared()	Deallocate this prepared statement from current MysqlxSession.
RES_T	execute()	Executes synchronously this statement either directly or using prepared statements if: 1.
protected abstract RES_T	executePreparedStatement()	Executes a previously server-prepared statement.
protected abstract RES_T	executeStatement()	Executes the statement directly (non-prepared).
protected XMessageBuilder	getMessageBuilder()	Helper method to return an XMessageBuilder instance from MysqlxSession in use.
protected abstract XMessage	getPrepareStatementXMessage()	Returns the XMessage needed to prepare this statement.
protected void	resetPrepareState()	Mark this preparable statement to be deallocated on next execution, if it is currently prepared, or cancel the next prepare.
protected void	setReprepareState()	Mark this preparable statement to be deallocated and re-prepared on next execution, if it is currently prepared.

从类继承的方法 java.lang.Object

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

字段详细资料

preparedStatementId

protected int preparedStatementId

preparedState

protected PreparableStatement.PreparedState preparedState

mysqlxSession

protected MysqlxSession mysqlxSession

构造器详细资料

PreparableStatement

public PreparableStatement()

方法详细资料

getMessageBuilder

protected XMessageBuilder getMessageBuilder()

Helper method to return an XMessageBuilder instance from MysqlxSession in use.

返回:

the XMessageBuilder instance from current MysqlxSession

resetPrepareState

protected void resetPrepareState()

Mark this preparable statement to be deallocated on next execution, if it is currently prepared, or cancel the next prepare.

setReprepareState

protected void setReprepareState()

Mark this preparable statement to be deallocated and re-prepared on next execution, if it is currently prepared.

execute

public RES_T execute()

Executes synchronously this statement either directly or using prepared statements if: 1. Prepared statements are supported by the server. 2. The statement is executed repeatedly without changing its structure.

返回:

the object returned from the low level statement execution

executeStatement

protected abstract RES_T executeStatement()

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

返回:

the object returned from the lower level statement execution

getPrepareStatementXMessage

protected abstract XMessage getPrepareStatementXMessage()

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

返回:

the XMessage that prepares this statement

executePreparedStatement

protected abstract RES_T executePreparedStatement()

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

返回:

the object returned from the lower level statement execution

deallocatePrepared

protected void deallocatePrepared()

Deallocate this prepared statement from current MysqlxSession.