}

type IndexOption struct {
	*Field
	Expression string
	Sort       string // DESC, ASC
	Collate    string
	Length     int
	Priority   int
}

// ParseIndexes parse schema indexes
func (schema *Schema) ParseIndexes() []*Index {
	indexesByName := map[string]*Index{}
	indexes := []*Index{}

	for _, field := range schema.Fields {

					return errors.New("failed to get schema")
				}

				columnTypes, err := queryTx.Migrator().ColumnTypes(value)
				if err != nil {
					return err
				}
				var (
					parseIndexes          = stmt.Schema.ParseIndexes()
					parseCheckConstraints = stmt.Schema.ParseCheckConstraints()
				)
				for _, dbName := range stmt.Schema.DBNames {
					var foundColumn gorm.ColumnType

		stmt := &gorm.Statement{DB: DB}
		err := stmt.Parse(model)
		if err != nil {
			t.Fatalf("%v: failed to parse schema, got error: %v", utils.FileWithLineNum(), err)
		}
		_ = stmt.Schema.ParseIndexes()
		field := stmt.Schema.LookUpField(fieldName)
		if field == nil {
			t.Fatalf("%v: failed to find column %q", utils.FileWithLineNum(), fieldName)
		}
		if field.Unique != unique {