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  1. MariaDB Server
  2. MDEV-13992

Implement JSON_MERGE_PATCH

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    Description

      1) JSON_MERGE is listed as deprecated in MySQL (replaced by JSON_MERGE_PRESERVE), but is still in MariaDB.
      2) RFC 7396 compliant JSON merging is missing from MariaDB.

      MySQL 8.0 reference:
      https://dev.mysql.com/doc/refman/8.0/en/json-modification-functions.html#function_json-merge-patch

      MySQL 5.7.22 reference;
      https://mysqlserverteam.com/new-json-functions-in-mysql-5-7-22/

      RFC 7396:
      https://tools.ietf.org/html/rfc7396

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          causes

          New Feature - A new feature of the product, which has yet to be developed. MDEV-20174 Remove the JSON_MERGE function

          • Minor - Minor loss of function, or other problem where easy workaround is present.
          • Closed
          relates to

          Epic - Created by Jira Software - do not edit or delete. Issue type for a big user story that needs to be broken down. MDEV-17397 Implement JSON functions available in MySQL 8.0 but not MariaDB

          • Major - Major loss of function.
          • Open

          Bug - A problem which impairs or prevents the functions of the product. MDEV-20173 Document the JSON_MERGE_PATCH / JSON_MERGE_PRESERVE functions.

          • Major - Major loss of function.
          • Closed

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              holyfoot Alexey Botchkov
              darkain Vincent Milum Jr
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