Uploaded image for project: 'MariaDB ColumnStore'
  1. MariaDB ColumnStore
  2. MCOL-3663

Performance regression in LIKE & NOT LIKE

    XMLWordPrintable

    Details

    • Type: Bug
    • Status: Closed (View Workflow)
    • Priority: Blocker
    • Resolution: Fixed
    • Affects Version/s: 1.4.1
    • Fix Version/s: 1.4.3
    • Component/s: None
    • Labels:
      None
    • Sprint:
      2020-1, 2020-2

      Description

      LIKE and NOT LIKE perform significantly worse in 1.4 vs 1.2. The assumed guess is this falls back to non-select-handler based methods. See attached image for example.

        Attachments

          Issue Links

          relates to

          New Feature - A new feature of the product, which has yet to be developed. MCOL-3778 Replace glibc with google's re2 for regex processing

          • Minor - Minor loss of function, or other problem where easy workaround is present.
          • Open

            Activity

              People

              Assignee:
              dleeyh Daniel Lee
              Reporter:
              LinuxJedi Andrew Hutchings (Inactive)
              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.