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MDEV-12363 Assertion `0' failed in Type_handler_string_result::make_sort_key(uchar*, Item*, const SORT_FIELD_ATTR*, Sort_param*).

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maybe_null wasn't properly set for Item_json_func_keys.
This commit is contained in:
Alexey Botchkov
2017-05-02 15:47:43 +04:00
parent 4a484e7a20
commit 3ea9d3e59e
3 changed files with 27 additions and 0 deletions
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6
mysql-test/r/func_json.result
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@ -636,3 +636,9 @@ JSON_SEARCH('{"foo":"bar"}', 'all' , @str, '%', @path)
SELECT JSON_VALUE('[{"foo": 1},"bar"]', '$[*][0]');
JSON_VALUE('[{"foo": 1},"bar"]', '$[*][0]')
bar
CREATE TABLE t1 (f INT NOT NULL);
INSERT INTO t1 VALUES (0);
SELECT JSON_KEYS(f) FROM t1 ORDER BY 1;
JSON_KEYS(f)
NULL
DROP TABLE t1;