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MDEV-11438 Assertion `null_value' failed in Item::send(Protocol*, String*) upon casting NULL as JSON.

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test added.
This commit is contained in:
Alexey Botchkov
2016-12-04 13:57:46 +04:00
parent f105014e9b
commit f391ab4f01
2 changed files with 4 additions and 0 deletions
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3
mysql-test/r/func_json.result
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@ -244,6 +244,9 @@ json_object("a", '{"b": "abcd"}')
select json_object("a", cast('{"b": "abcd"}' as json));
json_object("a", cast('{"b": "abcd"}' as json))
{"a": {"b": "abcd"}}
select cast(NULL AS JSON);
cast(NULL AS JSON)
NULL
select json_depth(cast(NULL as JSON));
json_depth(cast(NULL as JSON))
NULL