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  1. MariaDB Server
  2. MDEV-30218

Incorrect optimization for rowid_filtering

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    Description

      This comes from Monty who got a complaint from a user

      After MDEV-28846, rowid filtering optimization is applied in the cases where it should not be.

      Also, reading the optimizer code, one can see obvious cost computation errors.

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          includes

          Bug - A problem which impairs or prevents the functions of the product. MDEV-30142 rowid_filter: negative access cost factor values

          • Major - Major loss of function.
          • Closed

          Bug - A problem which impairs or prevents the functions of the product. MDEV-30167 Huge slow down in query performance. ENGINE=SPHINX

          • Major - Major loss of function.
          • Open

          Activity

            Transition Time In Source Status Execution Times
            Sergei Petrunia made transition -
            Open In Progress
            		6h 47m 1
            Sergei Petrunia made transition -
            In Progress Closed
            		33s 1
            Sergei Golubchik made transition -
            Closed Stalled
            		3d 1h 9m 1
            Oleksandr Byelkin made transition -
            Stalled Closed
            		61d 13h 18m 1

            People

              psergei Sergei Petrunia
              psergei Sergei Petrunia
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              Dates

                Created:
                Updated:
                Resolved:

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