mysql 协议的删除DB命令包及解析

1              [06] COM_DROP_DBstring[EOF]    schema name

/**
 * 
 * <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.php.cn/;/pre>
 * @version 1.0
 * @see http://www.php.cn/
 */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";
    }

}