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MDEV-33015: Server crashes upon JSON_SCHEMA_VALID reading NULL from a user

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variable

Analysis:
Since the item is NULL, it's json value is NULL but we proceed to parse
it anyway.
Fix:
If json value is NULL, return NULL.
This commit is contained in:
Rucha Deodhar
2023-12-15 16:06:24 +05:30
parent 187cbfca7c
commit fa2e1c3948
3 changed files with 24 additions and 5 deletions
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8
mysql-test/main/func_json.test
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@ -3708,4 +3708,12 @@ SELECT JSON_SCHEMA_VALID(NULL, NULL);
--error ER_JSON_NO_VARIABLE_SCHEMA
PREPARE s FROM 'SELECT JSON_SCHEMA_VALID (?,''{}'') FROM DUAL';
--echo #
--echo # MDEV-33015: Server crashes upon JSON_SCHEMA_VALID reading NULL from a user variable
--echo #
SET @a= NULL;
SELECT JSON_SCHEMA_VALID(@a,'{}');
--echo # End of 11.1 test