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  1. MariaDB Server
  2. MDEV-263

reverse multi-ranges

        Details

        • Type: Task
        • Status: Open
        • Priority: Major
        • Resolution: Unresolved
        • Fix Version/s: 10.2
        • Component/s: None
        • Labels:
          None

          Description

          read_range and multi_read_range handler methods allow the engine to optimize index accesses. But they're only used for ascending index scans.

          They should be extended to work for descending index scans too.

          [1] https://lists.launchpad.net/maria-developers/msg04680.html

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                  • Assignee:
                    Unassigned
                    Reporter:
                    serg Sergei Golubchik
                  • Votes:
                    1 Vote for this issue
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                    Dates

                    • Created:
                      Updated: