}
		}
	}
	for _, index := range indexes {
		if index.Class == "UNIQUE" && len(index.Fields) == 1 {
			index.Fields[0].Field.UniqueIndex = index.Name
		}
	}
	return indexes
}

func (schema *Schema) LookIndex(name string) *Index {
	if schema != nil {
		indexes := schema.ParseIndexes()
		for _, index := range indexes {
			if index.Name == name {
				return index
			}

			for _, field := range index.Fields {

	return m.RunWithValue(value, func(stmt *gorm.Statement) error {
		if stmt.Schema == nil {
			return errors.New("failed to get schema")
		}
		if idx := stmt.Schema.LookIndex(name); idx != nil {
			opts := m.DB.Migrator().(BuildIndexOptionsInterface).BuildIndexOptions(idx.Fields, stmt)
			values := []interface{}{clause.Column{Name: idx.Name}, m.CurrentTable(stmt), opts}