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  1. MariaDB Server
  2. MDEV-3213

LP:1001506 - Crash on a query with GROUP BY and user variables

        Details

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

          Description

          The following simple test case causes a crash of the server in MariaDB 5.2/5.3/5.5:

          CREATE TABLE t1(a int);
          INSERT INTO t1 VALUES (1), (2);
          SELECT DISTINCT @a:=MIN(t1.a) FROM t1, t1 AS t2
          GROUP BY @b:=(SELECT COUNT > t2.a);
          DROP TABLE t1;

          (See also bug #57197 from bugs.mysql.com)

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                ratzpo Rasmus Johansson added a comment -

                Launchpad bug id: 1001506

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                ratzpo Rasmus Johansson added a comment - Launchpad bug id: 1001506

                  People

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