tx = tx.Omit(omits...)
	}

	return db.AddError(tx.Create(values).Error)
}

// check association values has been saved
// if values kind is Struct, check it has been saved
// if values kind is Slice/Array, check all items have been saved
var visitMapStoreKey = "gorm:saved_association_map"

func checkAssociationsSaved(db *gorm.DB, values reflect.Value) bool {
	if visit, ok := db.Get(visitMapStoreKey); ok {

	assignments := make([]Assignment, len(values))
	for idx, value := range values {
		assignments[idx] = Assignment{Column: Column{Name: value}, Value: Column{Table: "excluded", Name: value}}
	}
	return assignments

			return err
		}
	}
	return nil
}

// DropTable drop table for values
func (m Migrator) DropTable(values ...interface{}) error {
	values = m.ReorderModels(values, false)
	for i := len(values) - 1; i >= 0; i-- {
		tx := m.DB.Session(&gorm.Session{})
		if err := m.RunWithValue(values[i], func(stmt *gorm.Statement) error {
			return tx.Exec("DROP TABLE IF EXISTS ?", m.CurrentTable(stmt)).Error
		}); err != nil {

	"gorm.io/gorm/schema"
)

type DeletedAt sql.NullTime

// Scan implements the Scanner interface.
func (n *DeletedAt) Scan(value interface{}) error {
	return (*sql.NullTime)(n).Scan(value)
}

// Value implements the driver Valuer interface.
func (n DeletedAt) Value() (driver.Value, error) {
	if !n.Valid {
		return nil, nil
	}
	return n.Time, nil
}

func (n DeletedAt) MarshalJSON() ([]byte, error) {

		ReflectValue: reflect.ValueOf(dest),
		Dest:         dest,
	}

	stmt.Schema = s

	values := ConvertToCreateValues(stmt)
	expected := clause.Values{
		// column has value + defaultValue column has value (which should have a stable order)
		Columns: []clause.Column{{Name: "name"}, {Name: "email"}, {Name: "age"}, {Name: "id"}},
		Values: [][]interface{}{
			{"alice", "email", 18, 1},
			{"bob", "email", 19, 2},
		},
	}

	builder.AddVar(builder, like.Value)
}

func (like Like) NegationBuild(builder Builder) {
	builder.WriteQuoted(like.Column)
	builder.WriteString(" NOT LIKE ")
	builder.AddVar(builder, like.Value)
}

func eqNil(value interface{}) bool {
	if valuer, ok := value.(driver.Valuer); ok && !eqNilReflect(valuer) {
		value, _ = valuer.Value()
	}

	return value == nil || eqNilReflect(value)
}

			return true
		}
	}
	return false
}

func ToStringKey(values ...interface{}) string {
	results := make([]string, len(values))

	for idx, value := range values {
		if valuer, ok := value.(driver.Valuer); ok {
			value, _ = valuer.Value()
		}

		switch v := value.(type) {
		case string:
			results[idx] = v
		case []byte:
			results[idx] = string(v)
		case uint:

		})
	}
}

func checkField(t *testing.T, s *schema.Schema, value reflect.Value, values map[string]interface{}) {
	for k, v := range values {
		t.Run("CheckField/"+k, func(t *testing.T) {
			fv, _ := s.FieldsByDBName[k].ValueOf(context.Background(), value)
			tests.AssertEqual(t, v, fv)
		})
	}

	tx.Statement.Unscoped = true
	return
}

func (db *DB) Raw(sql string, values ...interface{}) (tx *DB) {
	tx = db.getInstance()
	tx.Statement.SQL = strings.Builder{}

	if strings.Contains(sql, "@") {
		clause.NamedExpr{SQL: sql, Vars: values}.Build(tx.Statement)
	} else {
		clause.Expr{SQL: sql, Vars: values}.Build(tx.Statement)
	}
	return

		default:
			rv := reflect.ValueOf(v)
			if v == nil || !rv.IsValid() || rv.Kind() == reflect.Ptr && rv.IsNil() {
				vars[idx] = nullStr
			} else if valuer, ok := v.(driver.Valuer); ok {
				v, _ = valuer.Value()
				convertParams(v, idx)
			} else if rv.Kind() == reflect.Ptr && !rv.IsZero() {
				convertParams(reflect.Indirect(rv).Interface(), idx)
			} else if isNumeric(rv.Kind()) {