当前位置：网站首页>Modifying a column with the 'identity' pattern is not supported

Modifying a column with the 'identity' pattern is not supported

2022-04-23 07:22:00 【qq_ fifteen million one hundred and ninety-seven thousand four 】

Report errors ：

Insert picture description here

Cause analysis ：

The error message means ： my lastAskTime Fields are self increasing , So I can't change his value , however datetime Type cannot be set to self increment ？ Try using the database directly sql to update , That's all right. , What's the basic lock EF The problem. , But the ability is limited , Didn't find any reason .

Solution ：

Finally found , hold lastAskTime Default value of field “CURRENT_TIMESTAMP” Remove or change to a fixed value （ Regenerate the database instance in the project ） No more misstatements .
Insert picture description here




I don't understand , This default value should only be effective when building a new bank ,EF Why should it be judged as a self increasing field when updating ？

版权声明
本文为[qq_ fifteen million one hundred and ninety-seven thousand four ]所创，转载请带上原文链接，感谢
https://yzsam.com/2022/04/202204230609264949.html

边栏推荐

猜你喜欢

随机推荐