AssertEqual(t, len(conn.Stmts.Keys()), 0)

}

func TestPreparedStmtDeadlock(t *testing.T) {
	tx, err := OpenTestConnection(&gorm.Config{})
	AssertEqual(t, err, nil)

	sqlDB, _ := tx.DB()
	sqlDB.SetMaxOpenConns(1)

	tx = tx.Session(&gorm.Session{PrepareStmt: true})

	wg := sync.WaitGroup{}
	for i := 0; i < 100; i++ {
		wg.Add(1)
		go func() {
			user := User{Name: "jinzhu"}
			tx.Create(&user)

	db, err := sql.Open("postgres", target.connString)
	if err != nil {
		return err
	}
	target.db = db

	if args.MaxOpenConnections > 0 {
		// Set the maximum connections limit
		target.db.SetMaxOpenConns(args.MaxOpenConnections)
	}

	err = target.db.Ping()
	if err != nil {
		if !xnet.IsConnRefusedErr(err) && !xnet.IsConnResetErr(err) {
			target.loggerOnce(context.Background(), err, target.ID().String())

		target.loggerOnce(context.Background(), err, target.ID().String())
		return err
	}
	target.db = db

	if args.MaxOpenConnections > 0 {
		// Set the maximum connections limit
		target.db.SetMaxOpenConns(args.MaxOpenConnections)
	}

	err = target.db.Ping()
	if err != nil {
		if !xnet.IsConnRefusedErr(err) && !xnet.IsConnResetErr(err) {
			target.loggerOnce(context.Background(), err, target.ID().String())