Uploaded image for project: 'MariaDB Server'
  1. MariaDB Server
  2. MDEV-26939

support descending indexes for simple ORDER BY

    XMLWordPrintable

    Details

      Description

      in cases like

      CREATE TABLE t1 (a INT, b INT, INDEX (a DESC, b ASC));
      		 
      ...
      		 
      SELECT * FROM t1 ORDER BY a DESC, b ASC;

      In other cases descending indexes could be treated as disabled.

        Attachments

          Issue Links

          is part of

          Task - A task that needs to be done. MDEV-13756 Implement descending index: KEY (a DESC, b ASC)

          • Blocker - Blocks development and/or testing work, production could not run.
          • Closed
          relates to

          Task - A task that needs to be done. MDEV-26996 Support descending indexes in the range optimizer

          • Major - Major loss of function.
          • Closed

            Activity

              People

              Assignee:
              serg Sergei Golubchik
              Reporter:
              serg Sergei Golubchik
              Votes:
              0 Vote for this issue
              Watchers:
              5 Start watching this issue

                Dates

                Created:
                Updated:
                Resolved:

                  Git Integration

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