group by in Flask-MongoAlchemy

Asked Apr 20 '17 at 07:55

Active Apr 20 '17 at 07:55

Viewed 247 times

i stared new project with flask web-framework with mongoDB. i also used database and access data using Flask-MongoAlchemy. i tried work on different query like .all(), .filter_by(), .get() its work nice. but problem is that how to use aggregate funcation in Flask-MongoAlchemy ? for example i want to use group_by.

i tried following but its still not working.

db.User.qroup_by(name)

its gives following error

'BaseQuery' object has no attribute 'group_by'

asked Apr 20 '17 at 07:55

Kaushik Makwana

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Please try to add more code, give more information on what `db` is. – luoluo Apr 20 '17 at 10:10
db is instance of db = MongoAlchemy(app) – Kaushik Makwana Apr 20 '17 at 10:19
same problem with order_by – toing_toing Jun 12 '19 at 14:01

group by in Flask-MongoAlchemy

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