branch-2.1: [fix](json-functions)fix json-replace/insert/set/array behavior with complex type #50308 #50363
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…complex type (#50308) ### What problem does this PR solve? here are some functions behavior is not same with mysql as JSON_REPLACE | JSON_INSERT | JSON_SET | JSON_ARRAY which json and complex types are not supported before this PR Follow mysql : https://dev.mysql.com/doc/refman/8.0/en/json-modification-functions.html#function_json-set before we will meet result: ``` mysql> insert into t01 values (1, '{"a":1, "b":2}'); Query OK, 1 row affected (0.25 sec) {'label':'label_1056456f8d8c46e5_9be38bb344bdd72c', 'status':'VISIBLE', 'txnId':'8019'} mysql> select b, json_set(b, "$.a", b) from t01; +---------------+-----------------------+ | b | json_set(b, "$.a", b) | +---------------+-----------------------+ | {"a":1,"b":2} | {"a":1,"b":2} | +---------------+-----------------------+ ``` now ``` mysql> select b, json_set(b, "$.a", b) from t01; +---------------+---------------------------+ | b | json_set(b, "$.a", b) | +---------------+---------------------------+ | {"a":1,"b":2} | {"a":{"a":1,"b":2},"b":2} | +---------------+---------------------------+ 1 row in set (0.12 sec) ```
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Cherry-picked from #50308