flask-SQLAlchemy 的 update 操作是怎么用的呢？

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This topic created in 3820 days ago, the information mentioned may be changed or developed.

求教，为啥我在官网的教程里只发现 insert query 和 delete - -
http://flask-sqlalchemy.pocoo.org/2.1/queries/

insert

query

求教

delete

10 replies • 2016-02-10 01:15:57 +08:00

akafeng

Feb 9, 2016

老蔡过年还不忘吸取知识啊

paicha

PRO

Feb 9, 2016

修改对象之后，再次 commit

caixiexin

Feb 9, 2016

@chinafeng 别打岔- -||

caixiexin

Feb 9, 2016

@paicha 直接把 query 出来的对象修改完，然后 db.session.commit()吗？试了下貌似不起作用呢。。

paicha

PRO

Feb 9, 2016

@caixiexin

https://github.com/paicha/gxgk-wechat-server/blob/master/main/models/sign.py#L33

https://github.com/paicha/gxgk-wechat-server/blob/master/main/models/__init__.py#L104

paicha

PRO

Feb 9, 2016

http://stackoverflow.com/questions/6699360/flask-alchemy-update-row

caixiexin

Feb 9, 2016

@paicha thanks~

wellsc

Feb 9, 2016 via iPhone

同样也可以使用 Sqlalchemy 的 update 方法。

honmaple

Feb 10, 2016 via Android

一般都是先 query,再 commit ，没有什么问题啊

honmaple

Feb 10, 2016 via Android

user = User.query.filter_by(id=post_id).first()
user.name = xxx
db.session.commit()