org.apache.shardingsphere.database.protocol.mysql.packet.command.query.binary.execute

类 MySQLNullBitmap

java.lang.Object

org.apache.shardingsphere.database.protocol.mysql.packet.command.query.binary.execute.MySQLNullBitmap

public final class MySQLNullBitmap
extends Object

Null bitmap for MySQL.

另请参阅:

NULL-Bitmap

构造器概要

构造器

构造器和说明
MySQLNullBitmap(int columnsNumbers, int offset)
MySQLNullBitmap(int columnNumbers, MySQLPacketPayload payload)

方法概要

限定符和类型	方法和说明
boolean	isNullParameter(int index) Judge parameter is null or not null.
void	setNullBit(int index) Set null bit.

从类继承的方法 java.lang.Object

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

构造器详细资料

MySQLNullBitmap

public MySQLNullBitmap(int columnsNumbers,
                       int offset)

MySQLNullBitmap

public MySQLNullBitmap(int columnNumbers,
                       MySQLPacketPayload payload)

方法详细资料

isNullParameter

public boolean isNullParameter(int index)

Judge parameter is null or not null.

参数:

index - column index

返回:

parameter is null or not null

setNullBit

public void setNullBit(int index)

Set null bit.

参数:

index - column index