t.Fatalf("Should not find index for user's name after delete")
	}
}

func TestTiDBMigrateColumns(t *testing.T) {
	if !isTiDB() {
		t.Skip()
	}

	// TiDB can't change column constraint and has auto_random feature
	type ColumnStruct struct {
		ID    int `gorm:"primarykey;default:auto_random()"`
		Name  string
		Age   int    `gorm:"default:18;comment:my age"`