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MDEV-16209 JSON_EXTRACT in query crashes server.

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The optimizer can create various item's over the original one,
    so we can't count on the exact item's type inside the comparison.
This commit is contained in:
Alexey Botchkov
2018-06-18 23:00:34 +04:00
parent eb77f8cf8d
commit 5ba6cee012
3 changed files with 47 additions and 24 deletions
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5
mysql-test/r/func_json.result
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@ -742,3 +742,8 @@ json_extract('{"test":8.437e-5}','$.test')
select json_value('{"b":true}','$.b')=1;
json_value('{"b":true}','$.b')=1
1
CREATE TABLE t1 (c VARCHAR(8));
INSERT INTO t1 VALUES ('foo'),('bar');
SELECT * FROM t1 WHERE c IN (JSON_EXTRACT('{"a":"b"}', '$.*'));
c
DROP TABLE t1;