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MDEV-12789 JSON_KEYS returns duplicate keys twice.

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Check for duplicating keys added.
This commit is contained in:
Alexey Botchkov
2017-08-08 15:40:11 +04:00
parent 01a4eb8f76
commit 4bca34d8a4
3 changed files with 57 additions and 4 deletions
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5
mysql-test/t/func_json.test
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@ -138,6 +138,11 @@ select json_keys('{"a":{"c":1, "d":2}, "b":2}');
select json_keys('{"a":{"c":1, "d":2}, "b":2}', "$.a");
select json_keys('{"a":{"c":1, "d":2}, "b":2}', "$.b");
select json_keys('foo');
#
# mdev-12789 JSON_KEYS returns duplicate keys twice
#
select json_keys('{"a":{"c":1, "d":2}, "b":2, "c":1, "a":3, "b":1, "c":2}');
select json_keys('{"c1": "value 1", "c1": "value 2"}');
SET @j = '["abc", [{"k": "10"}, "def"], {"x":"abc"}, {"y":"bcd"}]';
select json_search(@j, 'one', 'abc');