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MDEV-16750 JSON_SET mishandles unicode every second pair of arguments.

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The charset of temporary storage (Item_func_json_insert::tmp_js)
  was not properly set.
This commit is contained in:
Alexey Botchkov
2018-08-06 13:37:09 +04:00
parent fc324a5f87
commit 4ddcb4eb46
3 changed files with 23 additions and 3 deletions
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12
mysql-test/r/func_json.result
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@ -778,3 +778,15 @@ select REPLACE(JSON_VALUE(json_col, '$.key1'), 'null', '') = _latin1 X'53EC' fro
REPLACE(JSON_VALUE(json_col, '$.key1'), 'null', '') = _latin1 X'53EC'
1
drop table t1;
#
# MDEV-16750 JSON_SET mishandles unicode every second pair of arguments.
#
SELECT JSON_SET('{}', '$.a', _utf8 0xC3B6);
JSON_SET('{}', '$.a', _utf8 0xC3B6)
{"a": "<22>"}
SELECT JSON_SET('{}', '$.a', _utf8 0xC3B6, '$.b', _utf8 0xC3B6);
JSON_SET('{}', '$.a', _utf8 0xC3B6, '$.b', _utf8 0xC3B6)
{"a": "<22>", "b": "<22>"}
SELECT JSON_SET('{}', '$.a', _utf8 X'C3B6', '$.x', 1, '$.b', _utf8 X'C3B6');
JSON_SET('{}', '$.a', _utf8 X'C3B6', '$.x', 1, '$.b', _utf8 X'C3B6')
{"a": "<22>", "x": 1, "b": "<22>"}