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MDEV-20593 SIGSEGV in report_json_error_ex (on optimized builds).

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When first argument to the JSON_MERGE_PATCH was NULL and second - the
invalid JSON line, the error code was garbage. So it should be set to 0
initially.
This commit is contained in:
Alexey Botchkov
2020-10-22 15:51:14 +04:00
parent 620ea816ad
commit 21ea14db8c
3 changed files with 8 additions and 0 deletions
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mysql-test/t/func_json.test
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@ -531,6 +531,7 @@ DROP TABLE merge_t;
SELECT JSON_MERGE_PATCH('{"a":"b"}', NULL, '{"c":"d"}');
SELECT JSON_MERGE_PATCH(NULL, '[1,2,3]');
SELECT JSON_MERGE_PATCH(NULL, 'a');
SELECT JSON_MERGE_PATCH('{"a":"b"}', NULL, '[1,2,3]', '{"c":null,"d":"e"}');
--error ER_WRONG_PARAMCOUNT_TO_NATIVE_FCT