sql 中存的json 为数组:
[{"Level":1,"Memo":"新用户"},{"Level":2,"Memo":"真实用户"}]
sql 怎么取?JSON_VALUE 需要'$[0].Level' 不灵活
解决方案:
SELECT * FROM Setting c CROSS APPLY OPENJSON(c.Value) WITH (Lv INT '$.Level',Memo NVARCHAR(100) '$.Memo') AS jsonValues WHERE c.Name='Levels' and jsonValues.Lv = 2;
PS:OPENJSON 不能正常使用 执行下面代码
ALTER DATABASE DatabaseName SET COMPATIBILITY_LEVEL = 130