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  1. MariaDB Server
  2. MDEV-5402

Make "constant_string_expr+interval" look inside the constant to detect a correct data type

    Details

    • Type: Bug
    • Status: Open (View Workflow)
    • Priority: Minor
    • Resolution: Unresolved
    • Affects Version/s: 10.0.6
    • Fix Version/s: 10.0
    • Component/s: None
    • Labels:

      Description

      Notice the difference between the two expressions:

      mysql> select '10:10:10'+interval 1 minute, time('10:10:10')+interval 1 minute;
      +------------------------------+------------------------------------+
      | '10:10:10'+interval 1 minute | time('10:10:10')+interval 1 minute |
      +------------------------------+------------------------------------+
      | 2010-10-10 00:01:00          | 10:11:10                           |
      +------------------------------+------------------------------------+
      1 row in set (0.00 sec)

      The first expression should return '10:11:10',
      similar to the second one.

      Let's do it only in 10.x.

      Note, another temporal hybrid function ADDTIME() seems to work correctly:

      mysql> select addtime('10:10:10',1), addtime('2001-01-01 10:10:10',1);
      +-----------------------+----------------------------------+
      | addtime('10:10:10',1) | addtime('2001-01-01 10:10:10',1) |
      +-----------------------+----------------------------------+
      | 10:10:11              | 2001-01-01 10:10:11              |
      +-----------------------+----------------------------------+
      1 row in set (0.00 sec)

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              • Assignee:
                bar Alexander Barkov
                Reporter:
                bar Alexander Barkov
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                Dates

                • Created:
                  Updated: