func writeQueryMsg(buf *pool.Buffer, query interface{}, params ...interface{}) error {
buf.StartMessage(queryMsg)
bytes, err := orm.AppendQuery(buf.Bytes, query, params...)
if err != nil {
buf.Reset()
return err
}
buf.Bytes = bytes
buf.WriteByte(0x0)
buf.FinishMessage()
return nil
}
