createTableSQL += sql + ","
							values = append(values, vars...)
						}
					}
				}
			}

			for _, uni := range stmt.Schema.ParseUniqueConstraints() {
				createTableSQL += "CONSTRAINT ? UNIQUE (?),"
				values = append(values, clause.Column{Name: uni.Name}, clause.Expr{SQL: stmt.Quote(uni.Field.DBName)})
			}

			for _, chk := range stmt.Schema.ParseCheckConstraints() {

	}
	return checks
}

type UniqueConstraint struct {
	Name  string
	Field *Field
}

func (uni *UniqueConstraint) GetName() string { return uni.Name }

func (uni *UniqueConstraint) Build() (sql string, vars []interface{}) {
	return "CONSTRAINT ? UNIQUE (?)", []interface{}{clause.Column{Name: uni.Name}, clause.Column{Name: uni.Field.DBName}}
}

// ParseUniqueConstraints parse schema unique constraints

	}

	err = DB.AutoMigrate(&CurrentTimestampTest{})
	if err != nil {
		t.Fatalf("AutoMigrate err:%v", err)
	}
	AssertEqual(t, true, DB.Migrator().HasConstraint(&CurrentTimestampTest{}, "uni_current_timestamp_tests_time_at"))
	AssertEqual(t, false, DB.Migrator().HasIndex(&CurrentTimestampTest{}, "time_at"))
	AssertEqual(t, false, DB.Migrator().HasIndex(&CurrentTimestampTest{}, "time_at_2"))
}

	if err != nil {
		t.Fatalf("failed to parse user unique, got error %v", err)
	}
	constraints := user.ParseUniqueConstraints()

	results := map[string]schema.UniqueConstraint{
		"uni_user_uniques_name1": {
			Name:  "uni_user_uniques_name1",
			Field: &schema.Field{Name: "Name1", Unique: true},
		},
	}
	for k, result := range results {
		v, ok := constraints[k]
		if !ok {