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  1. MariaDB Server
  2. MDEV-2916

LP:993745 - Crash when using min/max loose scan

        Details

        • Type: Bug
        • Status: Closed
        • Priority: Critical
        • Resolution: Fixed
        • Affects Version/s: None
        • Fix Version/s: None
        • Component/s: None
        • Labels:

          Description

          The following sequence of commands causes a crash in mariadb-5.2:

          CREATE TABLE t1(a BLOB, b VARCHAR(255) CHARSET LATIN1, c INT, KEY(b, c, a(765))) ENGINE=INNODB;
          INSERT INTO t1(a, b, c) VALUES ('', 'a', 0), ('', 'a', null), ('', 'a', 0);
          SELECT MIN(c) FROM t1 GROUP BY b;

          (see also bug #13723054 for mysql code line)

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                ratzpo Rasmus Johansson added a comment -

                Launchpad bug id: 993745

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                ratzpo Rasmus Johansson added a comment - Launchpad bug id: 993745

                  People

                  • Assignee:
                    timour Timour Katchaounov
                    Reporter:
                    igor Igor Babaev
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                    • Created:
                      Updated:
                      Resolved: