t.Fatalf("Should return the underlying sql.Tx")
	}

	tx.Rollback()

	if err := DB.First(&User{}, "name = ?", "transaction").Error; err == nil {
		t.Fatalf("Should not find record after rollback, but got %v", err)
	}

	txDB := DB.Where("fake_name = ?", "fake_name")
	tx2 := txDB.Session(&gorm.Session{NewDB: true}).Begin()
	user2 := *GetUser("transaction-2", Config{})

		t.Fatalf("user's updated at should be changed after reload, expects: %+v, got: %+v", user1UpdatedAt, result.UpdatedAt)
	}

	DB.First(&user2)
	if user2UpdatedAt.Format(time.RFC1123Z) == user2.UpdatedAt.Format(time.RFC1123Z) {
		t.Fatalf("user2's updated at should be changed after reload, expects: %+v, got: %+v", user2UpdatedAt, user2.UpdatedAt)
	}

		ExampleStructPtr: &ExampleStruct{"name", "value2"},
	}

	var result ScannerValuerStruct
	tx := DB.Where(data).FirstOrCreate(&result)

	if tx.RowsAffected != 1 {
		t.Errorf("RowsAffected should be 1 after create some record")
	}

	if tx.Error != nil {
		t.Errorf("Should not raise any error, but got %v", tx.Error)
	}

	AssertObjEqual(t, result, data, "Name", "Gender", "Age")

	}

	p4 := Product{Code: "after_save_error", Price: 100}
	DB.Save(&p4)
	if err := DB.First(&Product{}, "code = ?", "after_save_error").Error; err == nil {
		t.Fatalf("Record should be reverted if get an error in after save callback")
	}

	p5 := Product{Code: "after_delete_error", Price: 100}
	DB.Save(&p5)
	if err := DB.First(&Product{}, "code = ?", "after_delete_error").Error; err != nil {

		}

		db.AddError(preloadEntryPoint(tx, joins, &tx.Statement.Schema.Relationships, db.Statement.Preloads, db.Statement.Preloads[clause.Associations]))
	}
}

func AfterQuery(db *gorm.DB) {
	// clear the joins after query because preload need it
	db.Statement.Joins = nil
	if db.Error == nil && db.Statement.Schema != nil && !db.Statement.SkipHooks && db.Statement.Schema.AfterFind && db.RowsAffected > 0 {

		t.Fatalf("Blog should has three tags after Append")
	}

	if DB.Model(&blog).Association("SharedTags").Count() != 3 {
		t.Fatalf("Blog should has three tags after Append")
	}

	if DB.Model(&blog2).Association("SharedTags").Count() != 3 {
		t.Fatalf("Blog should has three tags after Append")
	}

	var tags []Tag
	DB.Model(&blog).Association("SharedTags").Find(&tags)

	}
	AssertAssociationCount(t, user2, "Languages", 1, "after delete non-existing data")

	if err := DB.Model(&user2).Association("Languages").Delete(&language2); err != nil {
		t.Fatalf("Error happened when delete Languages, got %v", err)
	}
	AssertAssociationCount(t, user2, "Languages", 0, "after delete")

	// Prepare Data for Clear

		return tx.Model(&User{}).Where("id = ?", 100).Limit(10).Order("age desc").Find(&[]User{})
	})
	assertEqualSQL(t, `SELECT * FROM "users" WHERE id = 100 AND "users"."deleted_at" IS NULL ORDER BY age desc LIMIT 10`, sql)

	// after model changed
	if DB.Statement.DryRun || DB.DryRun {
		t.Fatal("Failed expect DB.DryRun and DB.Statement.ToSQL to be false")
	}

	if DB.Statement.SQL.String() != "" {

	cacheStore *sync.Map
}

// Apply update config to new config
func (c *Config) Apply(config *Config) error {
	if config != c {
		*config = *c
	}
	return nil
}

// AfterInitialize initialize plugins after db connected
func (c *Config) AfterInitialize(db *DB) error {
	if db != nil {
		for _, plugin := range c.Plugins {
			if err := plugin.Initialize(db); err != nil {
				return err
			}
		}
	}
	return nil
}

func (association *Association) saveAssociation(clear bool, values ...interface{}) {
	var (
		reflectValue = association.DB.Statement.ReflectValue
		assignBacks  []assignBack // assign association values back to arguments after save
	)

	appendToRelations := func(source, rv reflect.Value, clear bool) {
		switch association.Relationship.Type {
		case schema.HasOne, schema.BelongsTo:
			switch rv.Kind() {