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  1. MariaDB Server
  2. MDEV-26678

JSON_EQUALS validates invalid JSON and valid JSON as being equal when using a backslash

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Details

    • Bug
    • Status: Closed (View Workflow)
    • Critical
    • Resolution: Not a Bug
    • 10.7(EOL)
    • N/A
    • Parser
    • None

    Description

      JSON_EQUALS validates invalid JSON and valid JSON as being equal when using a backslash:

      10.7.0 d552e092c9f3e20da078d1b62b976f629f73d3a4 (Debug)

      10.7.0-dbg>SELECT JSON_EQUALS('{"A": 1}', '{"A": 1\}');
      +--------------------------------------+
      | JSON_EQUALS('{"A": 1}', '{"A": 1\}') |
      +--------------------------------------+
      |                                    1 |
      +--------------------------------------+
      1 row in set (0.001 sec)
      

      A simplified version is this (though '{}' is not valid JSON by itself):

      10.7.0 d552e092c9f3e20da078d1b62b976f629f73d3a4 (Debug)

      10.7.0-dbg>SELECT JSON_EQUALS('{}', '{\}');
      +--------------------------+
      | json_equals('{}', '{\}') |
      +--------------------------+
      |                        1 |
      +--------------------------+
      1 row in set (0.000 sec)
      

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              serg Sergei Golubchik
              Roel Roel Van de Paar
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              Dates

                Created:
                Updated:
                Resolved:

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