Package org.apache.shardingsphere.db.protocol.mysql.packet.command.query.binary.execute

Class MySQLNullBitmap

java.lang.Object

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

public final class MySQLNullBitmap
extends Object

Null bitmap for MySQL.

See Also:

• NULL-Bitmap

Constructor Summary

Constructors

Constructor	Description
MySQLNullBitmap(int columnsNumbers, int offset)
MySQLNullBitmap(int columnNumbers, MySQLPacketPayload payload)

Method Summary

Modifier and Type	Method	Description
boolean	isNullParameter(int index)	Judge parameter is null or not null.
void	setNullBit(int index)	Set null bit.

Methods inherited from class java.lang.Object

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

Constructor Details

MySQLNullBitmap

public MySQLNullBitmap(int columnsNumbers,
 int offset)

MySQLNullBitmap

public MySQLNullBitmap(int columnNumbers,
 MySQLPacketPayload payload)

Method Details

isNullParameter

public boolean isNullParameter(int index)

Judge parameter is null or not null.

Parameters:

index - column index

Returns:

parameter is null or not null

setNullBit

public void setNullBit(int index)

Set null bit.

Parameters:

index - column index