func unlistenAndRelease(pool *pgx.ConnPool, conn *pgx.Conn, channel string) {
_, err := conn.Exec(fmt.Sprintf(sqlUnlisten, channel))
if err != nil {
conn.Close()
return
}
pool.Release(conn)
}
func listenAndPoolUnlistens(pool *pgx.ConnPool, actionNum int) error {
conn, err := pool.Acquire()
if err != nil {
return err
}
defer pool.Release(conn)
err = conn.Listen("stress")
if err != nil {
return err
}
_, err = conn.WaitForNotification(100 * time.Millisecond)
if err == pgx.ErrNotificationTimeout {
return nil
}
return err
}
