# File lib/thinking_sphinx/deltas/default_delta.rb, line 30
      def reset_query(model)
        "UPDATE #{model.quoted_table_name} SET " +
        "#{model.connection.quote_column_name(@column.to_s)} = #{adapter.boolean(false)} " +
        "WHERE #{model.connection.quote_column_name(@column.to_s)} = #{adapter.boolean(true)}"
      end