stmt.Vars = append(stmt.Vars, v.Value)
		case clause.Column, clause.Table:
			stmt.QuoteTo(writer, v)
		case Valuer:
			reflectValue := reflect.ValueOf(v)
			if reflectValue.Kind() == reflect.Ptr && reflectValue.IsNil() {
				stmt.AddVar(writer, nil)
			} else {
				stmt.AddVar(writer, v.GormValue(stmt.Context, stmt.DB))
			}
		case clause.Interface:
			c := clause.Clause{Name: v.Name()}
			v.MergeClause(&c)