func (c *Client) sendClientInfo(w *rw.Writer) {
if c.curProtoVers >= ProtoVersion7 {
w.WriteStrings(driverName, driverVersion) // driver info
w.WriteShort(int16(c.curProtoVers)) // protocol version
w.WriteNull() // client id (needed only for cluster config)
}
if c.curProtoVers > ProtoVersion21 {
w.WriteString(c.recordFormat.String())
} else {
panic("CSV serializer is not supported")
}
if c.curProtoVers > ProtoVersion26 {
w.WriteBool(false) // use token (true) or session (false)
}
}