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  1. MariaDB Server
  2. MDEV-21553

DATE(IFNULL(XXX, 0)) is not returning same result with different XXX

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Details

    • Bug
    • Status: Closed (View Workflow)
    • Major
    • Resolution: Not a Bug
    • 5.5, 10.1, 10.2, 10.3, 10.4
    • N/A
    • Data types, Server
    • Any

    Description

      DATE(IFNULL(XXX, 0)) is not returning same result with different XXX

      mysql> SELECT DATE(0), DATE(IFNULL(NULL, 0)), DATE(IFNULL(DATE(NULL), 0)), DATE(NULL);
      		 
      +------------+-----------------------+-----------------------------+------------+
      		 
      | DATE(0)    | DATE(IFNULL(NULL, 0)) | DATE(IFNULL(DATE(NULL), 0)) | DATE(NULL) |
      		 
      +------------+-----------------------+-----------------------------+------------+
      		 
      | 0000-00-00 | 0000-00-00            | NULL                        | NULL       |
      		 
      +------------+-----------------------+-----------------------------+------------+

      3rd column DATE(IFNULL(DATE(NULL), 0)) expected to be 0000-00-00

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        Issue Links

          relates to

          Bug - A problem which impairs or prevents the functions of the product. MDEV-17736 Inconsistency between DATE('0') and TIME('0')

          • Major - Major loss of function.
          • Open

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            People

              bar Alexander Barkov
              eimix Eimantas
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              Dates

                Created:
                Updated:
                Resolved:

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