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  1. MDEV-5735

Selecting from SEQUENCE table with negative number hangs server

    Details

    • Type: Bug
    • Status: Closed
    • Priority: Major
    • Resolution: Fixed
    • Affects Version/s: 10.0.8
    • Fix Version/s: 10.0.9
    • Component/s: None
    • Labels:
      None
    • Environment:
      mariadb-10.0.8-linux-x86_64 from tarball on CentOS 6.5

      Description

      This command causes the connection to hang:

        select * from `seq_-1_to_10`;
      

      It is possible for other threads to connect to the server, but the thread executing the SELECt statement is hung.

      mysql 10.0.8-MariaDB (root) [test] db1> show processlist;
      +----+------+-----------+------+---------+------+----------------+------------------------------+----------+
      | Id | User | Host      | db   | Command | Time | State          | Info                         | Progress |
      +----+------+-----------+------+---------+------+----------------+------------------------------+----------+
      |  2 | root | localhost | test | Query   |  154 | Writing to net | select * from `seq_-1_to_10` |    0.000 |
      |  3 | root | localhost | test | Query   |    0 | init           | show processlist             |    0.000 |
      +----+------+-----------+------+---------+------+----------------+------------------------------+----------+
      2 rows in set (0.01 sec)
      

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            • Assignee:
              serg Sergei Golubchik
              Reporter:
              kolbe Kolbe Kegel
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