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我有一個表的JSON值是這樣的:排序JSON字段值
- 表1
id | name | data
------+----------+---------------
1 | Test | {"city_id": 3, "email":"[email protected]", "city_name":"something"}
2 | Test 2 | {"city_id": 1, "email":"[email protected]", "city_name":"another"}
3 | Test 3 | {"city_id": 6, "email":"[email protected]", "city_name":"blahblah"}
現在我想SELECT
記錄與order by
data.city_name
,所以我用這個代碼:
SELECT id, name, JSON_EXTRACT(data, 'city_name') AS cityName
FROM table1
ORDER BY cityName ASC
但這個查詢不能正確排序我的記錄!
P.S:city_name
有UTF-8字符。
,你能否告訴我們的實際數據,錯誤產出和預期產出? –
試試:: SELECT ... JSON_EXTRACT(data,'$ .city_name')AS cityName ... –