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  1. MariaDB Server
  2. MDEV-11471

JSON_ARRAY_APPEND returns incorrect results

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Details

    • Bug
    • Status: Closed (View Workflow)
    • Major
    • Resolution: Fixed
    • 10.2(EOL)
    • 10.2.3
    • JSON

    Description

      Compare:

      MariaDB 10.2

      MariaDB [test]> SET @j = '["a", ["b", "c"], "d"]';
      Query OK, 0 rows affected (0.00 sec)
       
      MariaDB [test]> SELECT JSON_ARRAY_APPEND(@j, '$[0]', 2);
      +----------------------------------+
      | JSON_ARRAY_APPEND(@j, '$[0]', 2) |
      +----------------------------------+
      | NULL                             |
      +----------------------------------+
      1 row in set (0.00 sec)
      

      MySQL 5.7

      MySQL [test]> SET @j = '["a", ["b", "c"], "d"]';
      Query OK, 0 rows affected (0.00 sec)
       
      MySQL [test]> SELECT JSON_ARRAY_APPEND(@j, '$[0]', 2);
      +----------------------------------+
      | JSON_ARRAY_APPEND(@j, '$[0]', 2) |
      +----------------------------------+
      | [["a", 2], ["b", "c"], "d"]      |
      +----------------------------------+
      1 row in set (0.00 sec)
      

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              holyfoot Alexey Botchkov
              elenst Elena Stepanova
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              Dates

                Created:
                Updated:
                Resolved:

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