https://github.com/sea-boat/mysql-protocol
mysql客户端通过删除DB命令包告诉服务端删除某个schema。
类型 | 名字 | 描述 |
---|---|---|
int<3> | payload长度 | 按照the least significant byte first存储,3个字节的payload和1个字节的序列号组合成报文头 |
int<1> | 序列号 | |
string | payload | 报文体,长度即为前面指定的payload长度 |
Payload
1 [06] COM_DROP_DBstring[EOF] schema name
更多详情 : http://dev.mysql.com/doc/internals/en/com-drop-db.html
删除DB命令包类
/** * * <pre><b>mysql drop db packet.</b></pre> * @author * <pre>seaboat</pre> * <pre><b>email: </b>849586227@qq.com</pre> * <pre><b>blog: </b>http://www.gxlcms.com/;/pre> * @version 1.0 * @see http://www.gxlcms.com/ */public class DropDBPacket extends MySQLPacket { public byte flag; public byte[] schema; @Override public void read(byte[] data) { MySQLMessage mm = new MySQLMessage(data); packetLength = mm.readUB3(); packetId = mm.read(); flag = mm.read(); this.schema = mm.readBytes(); } @Override public void write(ByteBuffer buffer) { BufferUtil.writeUB3(buffer, calcPacketSize()); buffer.put(packetId); buffer.put(COM_DROP_DB); buffer.put(schema); } @Override public int calcPacketSize() { int i = 1; i += schema.length; return i; } @Override protected String getPacketInfo() { return "MySQL Drop DB Packet"; } }
声明:本网页内容旨在传播知识,若有侵权等问题请及时与本网联系,我们将在第一时间删除处理。TEL:177 7030 7066 E-MAIL:11247931@qq.com