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  1. MariaDB Server
  2. MDEV-16359

wrong result (extra rows) on the query with UNION and brackets

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    Details

    • Type: Bug
    • Status: Closed (View Workflow)
    • Priority: Major
    • Resolution: Fixed
    • Affects Version/s: 10.4
    • Fix Version/s: 10.4.0
    • Component/s: Parser
    • Labels:
      None

      Description

      MariaDB [test]> (select 1) union (select 1) union (select 1);
      		 
      +---+
      		 
      | 1 |
      		 
      +---+
      		 
      | 1 |
      		 
      +---+
      		 
      1 row in set (0.000 sec)
      		 
       
      		 
      MariaDB [test]> ((select 1) union (select 1) union (select 1));
      		 
      +---+
      		 
      | 1 |
      		 
      +---+
      		 
      | 1 |
      		 
      | 1 |
      		 
      +---+
      		 
      2 rows in set (0.000 sec)

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          Issue Links

          relates to

          Task - A task that needs to be done. MDEV-16317 Testing for brackets (parentheses) in UNION/EXCEPT/INTERSECT operations

          • Major - Major loss of function.
          • Stalled

            Activity

              People

              Assignee:
              igor Igor Babaev
              Reporter:
              alice Alice Sherepa
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                Dates

                Created:
                Updated:
                Resolved:

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