Opened 12 years ago

Closed 12 years ago

#18621 closed Cleanup/optimization (duplicate)

Two ManyToMany fields without backwards relation

Reported by: anonymous Owned by: anonymous
Component: Documentation Version: 1.4
Severity: Normal Keywords: backwards relation model
Cc: Triage Stage: Accepted
Has patch: no Needs documentation: no
Needs tests: no Patch needs improvement: no
Easy pickings: no UI/UX: no

Description

I tried to use two ManyToMany fields without allowing a backwards relation on the same model.
I couldn't make it work successfully so i asked about it on StackOverflow, then they thought it may be a bug in django. so i'm posting the issue right here.

​http://stackoverflow.com/questions/11382801/two-manytomany-fields-without-backwards-relation

Change History (4)

comment:1 by jordinkroy@…, 12 years ago

comment:2 by jordinkroy@…, 12 years ago

Owner: changed from nobody to anonymous
Status: new → assigned

comment:3 by Aymeric Augustin, 12 years ago

Component: Database layer (models, ORM) → Documentation
Triage Stage: Unreviewed → Accepted
Type: Bug → Cleanup/optimization

Set related_name='foo+' on one field and related_name='bar+' on the other. It will work.

The documentation could explain that.

That said, Frank's comment isn't wrong:

I would ask why you're bothered by having the backwards relation, just don't use it if you don't want it.


To be honest, I'm not sure why this feature exists!

comment:4 by Aymeric Augustin, 12 years ago

Resolution: → duplicate
Status: assigned → closed

Actually a duplicate of #15932.

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