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  1. MariaDB Server
  2. MDEV-11445

JSON_MERGE requires at least two arguments in MySQL, but not in MariaDB

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      MySQL 5.7

      MySQL [test]> SELECT JSON_MERGE('a');
      ERROR 1582 (42000): Incorrect parameter count in the call to native function 'JSON_MERGE'
      

      MariaDB 10.2

      MariaDB [test]> SELECT JSON_MERGE('a');
      +-----------------+
      | JSON_MERGE('a') |
      +-----------------+
      | ["a"]           |
      +-----------------+
      1 row in set (0.00 sec)
      

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              Assignee:
              holyfoot Alexey Botchkov
              Reporter:
              elenst Elena Stepanova
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