}

func TestManyToManyWithMultiPrimaryKeys(t *testing.T) {
	if name := DB.Dialector.Name(); name == "sqlite" || name == "sqlserver" {
		t.Skip("skip sqlite, sqlserver due to it doesn't support multiple primary keys with auto increment")
	}

	if name := DB.Dialector.Name(); name == "postgres" {
		stmt := gorm.Statement{DB: DB}
		stmt.Parse(&Blog{})
		stmt.Schema.LookUpField("ID").Unique = true
		stmt.Parse(&Tag{})

				db.Statement.ReflectValue.Set(reflectValue)
			}
		case reflect.Struct, reflect.Ptr:
			if initialized || rows.Next() {
				db.scanIntoStruct(rows, reflectValue, values, fields, joinFields)
			}
		default:
			db.AddError(rows.Scan(dest))
		}
	}

	if err := rows.Err(); err != nil && err != db.Error {
		db.AddError(err)
	}

	if db.RowsAffected == 0 && db.Statement.RaiseErrorOnNotFound && db.Error == nil {

		CheckUser(t, u, users[i])
	}

	var user4 User
	DB.Delete(&users3[0].Account)

	if err := DB.Preload(clause.Associations).Take(&user4, "id = ?", users3[0].ID).Error; err != nil || user4.Account.ID != 0 {
		t.Errorf("failed to query, got error %v, account: %#v", err, user4.Account)
	}

	if err := DB.Preload(clause.Associations, func(tx *gorm.DB) *gorm.DB {
		return tx.Unscoped()

		t.Fatalf("wrong pet name")
	}
}

func TestJoinArgsWithDB(t *testing.T) {
	user := *GetUser("joins-args-db", Config{Pets: 2})
	DB.Save(&user)

	// test where
	var user1 User
	onQuery := DB.Where(&Pet{Name: "joins-args-db_pet_2"})
	if err := DB.Joins("NamedPet", onQuery).Where("users.name = ?", user.Name).First(&user1).Error; err != nil {
		t.Fatalf("Failed to load with joins on, got error: %v", err)

	tx := db.Session(&gorm.Session{Context: db.Statement.Context, NewDB: true, SkipHooks: db.Statement.SkipHooks, Initialized: true})
	db.Statement.Settings.Range(func(k, v interface{}) bool {
		tx.Statement.Settings.Store(k, v)
		return true
	})

	if err := tx.Statement.Parse(dest); err != nil {
		tx.AddError(err)
		return tx
	}
	tx.Statement.ReflectValue = reflectValue

	user := *GetUser("hasmany", Config{Pets: 2})

	if err := DB.Create(&user).Error; err != nil {
		t.Fatalf("errors happened when create: %v", err)
	}

	CheckUser(t, user, user)

	// Find
	var user2 User
	DB.Find(&user2, "id = ?", user.ID)
	DB.Model(&user2).Association("Pets").Find(&user2.Pets)
	CheckUser(t, user2, user)

	var pets []Pet
	DB.Model(&user).Where("name = ?", user.Pets[0].Name).Association("Pets").Find(&pets)

		}}

		if err := DB.Create(&pets).Error; err != nil {
			t.Fatalf("errors happened when create: %v", err)
		}

		for _, pet := range pets {
			CheckPet(t, *pet, *pet)
		}
	})
}

func TestCreateEmptyStruct(t *testing.T) {
	type EmptyStruct struct {
		ID uint
	}
	DB.Migrator().DropTable(&EmptyStruct{})

	if err := DB.AutoMigrate(&EmptyStruct{}); err != nil {

	"gorm.io/gorm/schema"
	"gorm.io/gorm/utils"
)

func Query(db *gorm.DB) {
	if db.Error == nil {
		BuildQuerySQL(db)

		if !db.DryRun && db.Error == nil {
			rows, err := db.Statement.ConnPool.QueryContext(db.Statement.Context, db.Statement.SQL.String(), db.Statement.Vars...)
			if err != nil {
				db.AddError(err)
				return
			}
			defer func() {
				db.AddError(rows.Close())
			}()
			gorm.Scan(rows, db, 0)
		}
	}

//	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)

			if errTranslator, ok := db.Dialector.(ErrorTranslator); ok {
				err = errTranslator.Translate(err)
			}
		}

		if db.Error == nil {
			db.Error = err
		} else {
			db.Error = fmt.Errorf("%v; %w", db.Error, err)
		}
	}
	return db.Error
}

// DB returns `*sql.DB`
func (db *DB) DB() (*sql.DB, error) {
	connPool := db.ConnPool
	if db.Statement != nil && db.Statement.ConnPool != nil {