# File lib/active_record/model_schema.rb, line 297
      def reset_column_information
        connection.clear_cache!
        undefine_attribute_methods
        connection.schema_cache.clear_table_cache!(table_name) if table_exists?

        @column_names = @content_columns = @column_defaults = @columns = @columns_hash = nil
        @dynamic_methods_hash = @inheritance_column = nil
        @arel_engine = @relation = nil
      end