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MDEV-11439 No data type JSON, but CAST(something AS JSON) pretends to work

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Use JSON_COMPACT(X) instead of CAST(X AS JSON).
Bonus - X is validated to be a valid JSON.
Fix a typo in the error message.
This commit is contained in:
Sergei Golubchik
2017-02-14 11:11:47 +01:00
parent e0fa2ce40f
commit 6f6d0531dc
11 changed files with 636 additions and 633 deletions
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12
mysql-test/r/func_json.result
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@ -402,14 +402,14 @@ json_object("a", json_object("b", "abcd"))
select json_object("a", '{"b": "abcd"}');
json_object("a", '{"b": "abcd"}')
{"a": "{\"b\": \"abcd\"}"}
select json_object("a", cast('{"b": "abcd"}' as json));
json_object("a", cast('{"b": "abcd"}' as json))
select json_object("a", json_compact('{"b": "abcd"}'));
json_object("a", json_compact('{"b": "abcd"}'))
{"a": {"b": "abcd"}}
select cast(NULL AS JSON);
cast(NULL AS JSON)
select json_compact(NULL);
json_compact(NULL)
NULL
select json_depth(cast(NULL as JSON));
json_depth(cast(NULL as JSON))
select json_depth(json_compact(NULL));
json_depth(json_compact(NULL))
NULL
select json_depth('[[], {}]');
json_depth('[[], {}]')