func writeCmd(cn *pool.Conn, cmds ...Cmder) error {
cn.Wb.Reset()
for _, cmd := range cmds {
if err := cn.Wb.Append(cmd.args()); err != nil {
return err
}
}
_, err := cn.Write(cn.Wb.Bytes())
return err
}
func (c *baseClient) initConn(cn *pool.Conn) error {
cn.Inited = true
if c.opt.Password == "" && c.opt.DB == 0 && !c.opt.ReadOnly {
return nil
}
// Temp client for Auth and Select.
client := newClient(c.opt, pool.NewSingleConnPool(cn))
_, err := client.Pipelined(func(pipe *Pipeline) error {
if c.opt.Password != "" {
pipe.Auth(c.opt.Password)
}
if c.opt.DB > 0 {
pipe.Select(c.opt.DB)
}
if c.opt.ReadOnly {
pipe.ReadOnly()
}
return nil
})
return err
}