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MDEV-11444 Server crashes in String::ptr / Item_func_json_depth::val_int.

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CAST AS JSON didn't set the null_value mark properly.
This commit is contained in:
Alexey Botchkov
2016-12-03 11:32:47 +04:00
parent 4ad0813a55
commit eca1579051
4 changed files with 13 additions and 5 deletions
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2
mysql-test/t/func_json.test
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@ -98,3 +98,5 @@ select json_object("a", json_object("b", "abcd"));
select json_object("a", '{"b": "abcd"}');
select json_object("a", cast('{"b": "abcd"}' as json));
select json_depth(cast(NULL as JSON));