type Eq struct {
	Column interface{}
	Value  interface{}
}

func (eq Eq) Build(builder Builder) {
	builder.WriteQuoted(eq.Column)

	switch eq.Value.(type) {
	case []string, []int, []int32, []int64, []uint, []uint32, []uint64, []interface{}:
		rv := reflect.ValueOf(eq.Value)
		if rv.Len() == 0 {
			builder.WriteString(" IN (NULL)")
		} else {
			builder.WriteString(" IN (")
			for i := 0; i < rv.Len(); i++ {

		t.Fatalf("Failed to load with joins on, got error: %v", err)
	}
	AssertEqual(t, user2.NamedPet.Name, "joins-on_pet_2")
}

func TestJoinsWithSelect(t *testing.T) {
	type result struct {
		ID    uint
		PetID uint
		Name  string
	}

	user := *GetUser("joins_with_select", Config{Pets: 2})
	DB.Save(&user)

	var results []result

	AssertEqual(t, newUser.CreatedAt, curTime)
	AssertEqual(t, newUser.UpdatedAt, curTime)
}

func TestCreateWithNoGORMPrimaryKey(t *testing.T) {
	type JoinTable struct {
		UserID   uint
		FriendID uint
	}

	DB.Migrator().DropTable(&JoinTable{})
	if err := DB.AutoMigrate(&JoinTable{}); err != nil {
		t.Errorf("no error should happen when auto migrate, but got %v", err)
	}

// It may be embedded into your model or you may build your own model without it
//
//	type User struct {
//	  gorm.Model
//	}
type Model struct {
	ID        uint `gorm:"primarykey"`
	CreatedAt time.Time
	UpdatedAt time.Time
	DeletedAt DeletedAt `gorm:"index"`

// int is a signed integer type that is at least 32 bits in size. It is a
// distinct type, however, and not an alias for, say, int32.
type int int

// uint is an unsigned integer type that is at least 32 bits in size. It is a
// distinct type, however, and not an alias for, say, uint32.
type uint uint

// uintptr is an integer type that is large enough to hold the bit pattern of
// any pointer.
type uintptr uintptr

// https://www.awsarchitectureblog.com/2015/03/backoff.html
func exponentialBackoffWait(r *rand.Rand, unit, cap time.Duration) func(uint) time.Duration {
	if unit > time.Hour {
		// Protect against integer overflow
		panic("unit cannot exceed one hour")
	}
	return func(attempt uint) time.Duration {
		if attempt > 16 {
			// Protect against integer overflow
			attempt = 16
		}

		exp             interface{}
		expectedFailure bool
	}{
		{"", true},
		{"-1", true},
		{"1574812326", false},
		{1574812326, false},
		{int64(1574812326), false},
		{int(1574812326), false},
		{uint(1574812326), false},
		{uint64(1574812326), false},
		{json.Number("1574812326"), false},
		{1574812326.000, false},
		{time.Duration(3) * time.Minute, false},
	}

	for _, testCase := range testCases {

	}
}

func TestForeignKeyConstraints(t *testing.T) {
	tidbSkip(t, "not support the foreign key feature")

	type Profile struct {
		ID       uint
		Name     string
		MemberID uint
	}

	type Member struct {
		ID      uint
		Refer   uint `gorm:"uniqueIndex"`
		Name    string
		Profile Profile `gorm:"Constraint:OnUpdate:CASCADE,OnDelete:CASCADE;FOREIGNKEY:MemberID;References:Refer"`
	}

	}{
		{"", "", true},
		{"-1", "0", true},
		{"-1", "900", true},
		{"1574812326", "900", false},
		{1574812326, "900", false},
		{int64(1574812326), "900", false},
		{int(1574812326), "900", false},
		{uint(1574812326), "900", false},
		{uint64(1574812326), "900", false},
		{json.Number("1574812326"), "900", false},
		{1574812326.000, "900", false},
		{time.Duration(3) * time.Minute, "900", false},
	}

	tok = in.Stack.Next()
	if tok != '\n' {
		in.Error("unexpected token at end of #line: ", tok)
	}
	pos := src.MakePos(in.Base(), uint(in.Line())+1, 1) // +1 because #line nnn means line nnn starts on next line
	in.Stack.SetBase(src.NewLinePragmaBase(pos, file, objabi.AbsFile(objabi.WorkingDir(), file, *flags.TrimPath), uint(line), 1))
}

// #undef processing
func (in *Input) undef() {
	name := in.macroName()
	if in.macros[name] == nil {