}()
	}
	wg.Wait()

	conn, ok := tx.ConnPool.(*gorm.PreparedStmtDB)
	AssertEqual(t, ok, true)
	AssertEqual(t, len(conn.Stmts), 2)
	for _, stmt := range conn.Stmts {
		if stmt == nil {
			t.Fatalf("stmt cannot bee nil")
		}
	}

	AssertEqual(t, sqlDB.Stats().InUse, 0)
}

func TestPreparedStmtInTransaction(t *testing.T) {
	user := User{Name: "jinzhu"}

//
//	func AmountGreaterThan1000(db *gorm.DB) *gorm.DB {
//	    return db.Where("amount > ?", 1000)
//	}
//
//	func OrderStatus(status []string) func (db *gorm.DB) *gorm.DB {
//	    return func (db *gorm.DB) *gorm.DB {
//	        return db.Scopes(AmountGreaterThan1000).Where("status in (?)", status)
//	    }
//	}
//
//	db.Scopes(AmountGreaterThan1000, OrderStatus([]string{"paid", "shipped"})).Find(&orders)