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  1. MariaDB Server
  2. MDEV-39995

JSON_CONTAINS and JSON_EQUALS do not compare string based on semantic

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    • Unexpected results
    • Because JSON_CONTAINS and JSON_EQUALS did not compare JSON arguments based on string semantic, the equalities of differing representations were missed; fix thanks to Geng Tian

    Description

      Hi,

      I found that JSON_CONTAINS and JSON_EQUALS do not compare strings based on string semantics. This is an example:

      SELECT JSON_CONTAINS('"A"', '"\\u0041"'); -- 0
      		 
      SELECT JSON_CONTAINS('"\\u0041"', '"A"'); -- 0
      		 
      SELECT JSON_OVERLAPS('"A"', '"\\u0041"'); -- 0
      		 
      SELECT JSON_EQUALS('"A"', '"\\u0041"'); -- 0
      		 
      SELECT JSON_UNQUOTE('"A"') = JSON_UNQUOTE('"\\u0041"'); -- 1

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          relates to

          Bug - A problem which impairs or prevents the functions of the product. MDEV-40478 main.func_json_unicode_escape test unpredicatable under view protocol

          • Major - Major loss of function.
          • Open

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              rucha174 Rucha Deodhar
              ChiZhang Chi Zhang
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              Dates

                Created:
                Updated:
                Resolved:

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