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  1. MariaDB Server
  2. MDEV-16152

Expressions with INTERVAL return bad results in some cases

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    Details

    • Type: Bug
    • Status: Closed (View Workflow)
    • Priority: Major
    • Resolution: Fixed
    • Affects Version/s: 5.5, 10.0, 10.1, 10.2, 10.3, 10.4
    • Fix Version/s: 10.3.7
    • Component/s: Temporal Types
    • Labels:
      None

      Description

      SELECT TIMESTAMP'2001-01-01 10:20:30' - INTERVAL '10' YEAR AS c1,
      		 
            -INTERVAL '10' YEAR + TIMESTAMP'2001-01-01 10:20:30' AS c2;


      +---------------------+-----------------+
      		 
      | c1                  | c2              |
      		 
      +---------------------+-----------------+
      		 
      | 1991-01-01 10:20:30 | -20110101102030 |
      		 
      +---------------------+-----------------+

      The result for c2 is wrong. It should be the same with c1.

      PostgreSQL returns correct results for the same query:

               c1          |         c2          
      ---------------------+---------------------
      		 
       1991-01-01 10:20:30 | 1991-01-01 10:20:30

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          relates to

          Bug - A problem which impairs or prevents the functions of the product. MDEV-16156 PIPES_AS_CONCAT does not work well

          • Major - Major loss of function.
          • Open

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              People

              Assignee:
              bar Alexander Barkov
              Reporter:
              bar Alexander Barkov
              Votes:
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                Dates

                Created:
                Updated:
                Resolved:

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