TODO*
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	dialect := DB.Dialector.Name()
	switch dialect {
	case "mysql", "sqlserver":
		// these dialects do not support the "returning" clause
		return
	default:
		// This user struct will leverage the existing users table, but override
		// the Name field to default to null.
		type user struct {
			gorm.Model
			Name string `gorm:"default:null"`
		}
		u1 := user{}

	err = DB.Model(&User{}).Where("name = ?", "testname1").Find(&users).Error
	if err != nil {
		t.Fatal(err)
	}
	if users[0] == nil || users[0].Name != "testname1" {
		t.Error("users[0] not covere")
	}
	if users[1] != nil {
		t.Error("users[1] should be empty")
	}