Uploaded image for project: 'MariaDB Server'
  1. MariaDB Server
  2. MDEV-21643

test correctness of cost_based_order_by_limit

Details

    Description

      test the correctness of the cost_based_order_by_limit optimization. for example by running rqg and comparing results with optimizer_switch="cost_based_order_by_limit" and without

      Attachments

        Issue Links

          is part of

          New Feature - A new feature of the product, which has yet to be developed. MDEV-8306 Complete cost-based optimization for ORDER BY with LIMIT

          • Major - Major loss of function.
          • Stalled

          Activity

            Ascending order - Click to sort in descending order
            varun Varun Gupta (Inactive) added a comment -

            The latest code, rebased on 10.5 can be found in the branch 10.5-order_by_limit

            https://github.com/MariaDB/server/tree/10.5-order_by_limit

            varun Varun Gupta (Inactive) added a comment - The latest code, rebased on 10.5 can be found in the branch 10.5-order_by_limit https://github.com/MariaDB/server/tree/10.5-order_by_limit
            Roel Roel Van de Paar added a comment - - edited

            Discussed with Varun who mentioned that Igor mentioned the feature is not complete as some refactoring needs to be done (and it will not be included in current release).

            Roel Roel Van de Paar added a comment - - edited Discussed with Varun who mentioned that Igor mentioned the feature is not complete as some refactoring needs to be done (and it will not be included in current release).

            People

              lstartseva Lena Startseva
              serg Sergei Golubchik
              Votes:
              0 Vote for this issue
              Watchers:
              5 Start watching this issue

              Dates

                Created:
                Updated:

                Git Integration

                  Error rendering 'com.xiplink.jira.git.jira_git_plugin:git-issue-webpanel'. Please contact your Jira administrators.