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MDEV-13703 Illegal mix of collations for operation 'json_object' on

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using JSON_UNQUOTE as an argument.

        The coercibility and repertoire should be set properly for the
        JSON_UNQUOTE.
This commit is contained in:
Alexey Botchkov
2017-10-06 09:28:33 +04:00
parent 41e581b30b
commit a3ba8c3660
3 changed files with 19 additions and 2 deletions
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7
mysql-test/r/func_json.result
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@@ -405,6 +405,13 @@ abc
select json_unquote('abc');
json_unquote('abc')
abc
create table t1 (c VARCHAR(8)) DEFAULT CHARSET=latin1;
insert into t1 values ('abc'),('def');
select json_object('foo', json_unquote(json_object('bar', c)),'qux', c) as fld from t1;
fld
{"foo": "{\"bar\": \"abc\"}", "qux": "abc"}
{"foo": "{\"bar\": \"def\"}", "qux": "def"}
drop table t1;
select json_object("a", json_object("b", "abcd"));
json_object("a", json_object("b", "abcd"))
{"a": {"b": "abcd"}}