Questions tagged [django-intermediate-table]
12 questions
3
votes
1 answer
Django Attribute Error: object has not attribute 'forms'
I have a model formset of an intermediate model that I am using to assign users to another model. When I try to generate the view I get 'StaffAssignmentForm' object has no attribute 'forms'.
Model
class StaffAssignment(models.Model):
study =…

Rileywiley
- 139
- 11
2
votes
1 answer
Django intermediate table with a many-to-many field instead foreign key?
I have 2 models in my application:
User
Tower
My goal is to associate many towers to a user using an intermediate table because I need to add a period of time.
So I have something like this in my models:
class Tower(models.Model):
name =…

Pedro Faria
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2
votes
1 answer
how to correctly assign the through attribute in django?
I was just looking the documentation to be able to change the intermediate table but when I implement it, I get into trouble:
https://docs.djangoproject.com/en/2.0/topics/db/models/#extra-fields-on-many-to-many-relationships
The problem as such is…

ozo
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2
votes
1 answer
QuerySet order_by intermediate models
I'm trying to create a intermediate model with the created field recording the time of following relationship.
The models is as following:
class Profile(models.Model):
user = models.OneToOneField(User, related_name='profile')
realname =…

JianWei
- 121
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2
votes
1 answer
Django - How to build an intermediate m2m model that fits? / best practice
First of all I have to admit that I'm quite new to all this coding stuff but as I couldn't find a proper solution doing it myself and learning to code is probably the best way.
Anyway, I'm trying to build an app to show different titleholders,…

Everlong
- 31
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1
vote
2 answers
Django: ManyToManyField with intermediary model error
Django is not managing our databases for us, therefor I created the table RulesetRuleMap to handle the ManyToMany relationship between Ruleset and Rule:
Each Ruleset can consist of multiple Rules and each Rule can be used in multiple…

P. Maino
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0
votes
1 answer
How to create a relation to intermediate table using Model in Django?
Could anyone help me create this database using the ORM model in Django? I'm stuck at creating a relation between the ATTENDANCE and CLASSDETAIL table.
Please look at this ERD:

Bang Nguyen
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0
votes
1 answer
Django ORM for intermediate images table gives error "The QuerySet value for an exact lookup must be limited to one result"
I have multiple Images associated with a Spots using the intermediate table ImageSpots, and I am trying to render each image for each spot but keep getting the error "The QuerySet value for an exact lookup must be limited to one result using…

haashe
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0
votes
1 answer
Django M2M Relationship Issue with Admin Using Intermediate Table with Multiselect
I'm working with m2m relationships using through to set intermediate table. Issue is I need to show multiselection instead of a normal dorpdown but when I select multiple items and save I get an error.
ValueError: Cannot assign "

Usman Hussain
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0
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1 answer
Django: How do I create a view to update multiple records on an intermediate model with a Many-to-Many-through relationship?
I am a beginner to Django, and am creating an RSVP site to handle multiple events and keep track of guests to those events. I have a model for Guest, for Event, and an intermediate model for GuestEvent. I would like a page to loop through every…

Redleader36
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0
votes
1 answer
How to select entire intermediate table in Django
In my database I have citations between objects as a ManyToMany field. Basically, every object can cite any other object.
In Postgres, this has created an intermediate table. The table has about 12 million rows, each looks roughly like:
id |…

mlissner
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1 answer
proper way to set up many to many relation where intermediary field has foreign keys django
I have a custom user field and a permissions field in a django app. The documentation says the following:
https://docs.djangoproject.com/en/2.0/ref/models/fields/#django.db.models.ManyToManyField
I am also currently studying this article:…

amazing carrot soup
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