refer:
https://docs.djangoproject.com/en/2.2/topics/db/examples/many_to_many/
On Sat, 13 Nov 2021 at 00:08, Madhav Dhungana
wrote:
> *What I want?*
>
> 1 ) I want to add pages and pull the page meta data from pagemeta table.
> One page will have more than on pagemeta.
>
>1.
>
>PageMeta T
*What I want?*
1 ) I want to add pages and pull the page meta data from pagemeta table.
One page will have more than on pagemeta.
1.
PageMeta Table , will have section(many to many relationship) and key
and value like: Keyname: _contact_collapse Value: People usually ask these
Hi!
https://docs.djangoproject.com/en/3.0/ref/contrib/admin/#modeladmin-objects
or
https://docs.djangoproject.com/en/3.0/intro/tutorial07/#writing-your-first-django-app-part-7
Missatge de Robb Rodirguez Jr. del dia dv.,
28 de febr. 2020 a les 1:14:
> Good day guys, im new to django im having in
Good day guys, im new to django im having in many to many relationship
display in template
How can display this into a normal list..
from .
, , , ,
]>
to.
webadmin
kim
sem
quinito
user1
Here's my code
model.py
class ListOfUser(models.Model):
users = models.ManyToManyField(User, verbos
On Mon, Feb 24, 2014 at 7:54 PM, Sells, Fred
wrote:
> I have to integrate to a large read only legacy mssql database .
>
>
>
> The many-to-many tables have a lot of additional fields like start/end dates
> of the relationship and their own naming conventions
>
>
>
> Can anyone point me to some lin
database with complex many to many relationships
On Mon, Feb 24, 2014 at 2:54 PM, Sells, Fred
wrote:
> I have to integrate to a large read only legacy mssql database .
while certainly it's possible to configure this as a second database and use
the ORM, I've found that it's more
On Mon, Feb 24, 2014 at 2:54 PM, Sells, Fred
wrote:
> I have to integrate to a large read only legacy mssql database .
while certainly it's possible to configure this as a second database
and use the ORM, I've found that it's more work than usually needed.
especially if you already have defined
I have to integrate to a large read only legacy mssql database .
The many-to-many tables have a lot of additional fields like start/end dates of
the relationship and their own naming conventions
Can anyone point me to some links that treat this topic in depth. I've looked
at the django book an
I'm not sure what the easiest way would be to make the Quantity field
> editable - I thought about a* fieldset *but how do I get the data from
> the intermediary table into that???
>
>
ooops - I meant FORMset, not fieldset... (why is there no way to edit my
own post?)
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Hi,
I'm currently working on a room management application for events.
One part of it is a list of room setups with associated equipment, each
room can have an arbitrary number of different equipment (such as screens,
IT-equipment, A/, tables etc.)
Each equipment also has an attribute "number
I'm trying to set up a many to many relationship, but when I save the model
I get "TypeError: 'layer_set' is an invalid keyword argument for this
function".
In class Experiment(Job) I declare the model with:
layer_set = models.ManyToManyField(LayerSet, blank=True, default =
"default layer"
Hi Rosemarie,
Try a quick google search with terms like "django has no ForeignKey to " and you'll get a bunch of results. I promise.
Here's only one of those results:
http://stackoverflow.com/questions/609556/django-admin-inlining-foreign-key-issue
AFAICS this issue has been discussed various t
ahh, and
class MemberForm(ModelForm):
class Meta:
model = member
exclude =
('password','date_joined','username','is_staff','is_active','last_login','is_superuser','firstAid')
it has the class Meta:
that's not the problem. Sorry, I'm all over the place here!
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Oh yeah, and the exact error I am currently getting is
Exception at /members/edit/
has no ForeignKey to
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ahh, feeling very frustrated, hopefully someone can enlighten me :)
-Creating a form to edit a "member" model
-Member has a few many-to-many relationships.
-I was initially getting an error about not being able to update m2m
unless you use the manager for the other table
-After googlin
On Monday, March 28, 2011 02:32:52 pm Dilan wrote:
> Thanks Mike !
you're welcome
> That was a really helpful page that I missed in Doc. In this
> particular case 1 solves 2.
>
Nice
> > In python you can't forward declare outside of the module the object is
> > in.
I also want to clarify that
Thanks Mike !
That was a really helpful page that I missed in Doc. In this
particular case 1 solves 2.
Dilan
On Mar 27, 10:09 pm, Mike Ramirez wrote:
> On Sunday, March 27, 2011 02:32:15 pm Dilan wrote:
>
> > Hi All,
>
> > I'm working on a model similar to
> >http://docs.djangoproject.com/en/1
On Sunday, March 27, 2011 02:32:15 pm Dilan wrote:
> Hi All,
>
> I'm working on a model similar to
> http://docs.djangoproject.com/en/1.3/topics/db/models/#extra-fields-on-many
> -to-many-relationships .
>
> Say, I need to add the field, groups = models.ManyTo
Hi All,
I'm working on a model similar to
http://docs.djangoproject.com/en/1.3/topics/db/models/#extra-fields-on-many-to-many-relationships
.
Say, I need to add the field, groups = models.ManyToManyField(Group,
through='Membership') to Person class
Two questions:
1. In Django,
Hi Atamert,
Thank you so much!
The following statement works! This is really simple but fantastic!!!
Publication.objects.filter(article__in =
article_qs).annotate(Count('article'))
Sincerely,
Jason
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Hi Jason,
On Monday 22 February 2010 09:57:18 Jason wrote:
> If I already had a QuerySet of Article named articles, how to get a
> QuerySet of Publication by these articles,
You can use field lookup operator `in` like this:
>>> Publication.objects.filter(
>>> article_set__id__in = article_qs
Dear All,
Model source code:
from django.db import models
class Publication(models.Model):
title = models.CharField(max_length=30)
class Article(models.Model):
headline = models.CharField(max_length=100)
publications = models.ManyToManyField(Publication)
If
extra-fields-on-many-to-many-relationships).
So modelling this relation isn't that hard. But how can I provide a
clean admin interface. Is it possible with the standard admin
functionalities?
Related to the Django doc:
My problem is, that the intermediate model (membership) is the "entry-
poi
I am trying to write my first django app and am unclear about good
ways to deal with many to many relationships with through tables. My
app is like a bibliography but with lots of links between entries in
the bibliography. For example, I want to store links to all the
entries cited by other
Hi Russ --
Awesome. I will organize my ideas and start a thread over on django-
developers.
> I've heard people claim that
> this is possible in Rails (also in SQLAlchemy), but I've never had
> enough of an itch to go looking and see if this is true, and if so,
> how they implement it.
This is
Miriam,
If you do take this to django-developers, please post a link here, at
least.. this would be greatly appreciated. Thanks :)
~Jason
On Mon, Jul 20, 2009 at 7:39 PM, Russell Keith-Magee wrote:
>
> On Mon, Jul 20, 2009 at 11:21 PM, Miriam wrote:
> >
> > Hi Russ --
> >
> > Thanks for your r
On Mon, Jul 20, 2009 at 11:21 PM, Miriam wrote:
>
> Hi Russ --
>
> Thanks for your response. I figured there must have been discussion on
> this at some point, given that this is a pretty common use case, and
> one that other ORMs already tackle with varying degrees of success. Is
> there a ticket
Hi Russ --
Thanks for your response. I figured there must have been discussion on
this at some point, given that this is a pretty common use case, and
one that other ORMs already tackle with varying degrees of success. Is
there a ticket on the subject? If so, I'd love to shift the
conversation ov
Hey,
On Fri, Jul 17, 2009 at 5:06 PM, Miriam wrote:
>
> There currently is no way in Django to pre-fetch one-to-many and/or
> many-to-many relationships, right?
>
> There's select_related, which will pre-fetch FK or one-to-one, which
> is great, but not sufficient.
>
On Fri, Jul 17, 2009 at 11:06 PM, Miriam wrote:
>
> There currently is no way in Django to pre-fetch one-to-many and/or
> many-to-many relationships, right?
Correct.
> There's select_related, which will pre-fetch FK or one-to-one, which
> is great, but not sufficient.
>
There currently is no way in Django to pre-fetch one-to-many and/or
many-to-many relationships, right?
There's select_related, which will pre-fetch FK or one-to-one, which
is great, but not sufficient.
Suppose I am fetching a list of Blog posts and I want to pre-fetch the
Comments for ea
Here's my workaround, if anyone else is interested how to overcome
this problem:
http://www.pastie.org/497309
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How do you create a model form that contains a reverse many-to-many
relationship?
My attempt:
http://pastie.org/497284
failed:
AttributeError: 'RelatedObject' object has no attribute 'unique'
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On Fri, May 29, 2009 at 5:45 AM, will0 wrote:
>
> Dear All,
>
> Take two models - "Contact" which has a many to many relationship with
> "MailList" (defined on MailList).
>
> When a user who only has permissions to delete from Contact attempts
> to delete any contact, whether or not they're in a
Dear All,
Take two models - "Contact" which has a many to many relationship with
"MailList" (defined on MailList).
When a user who only has permissions to delete from Contact attempts
to delete any contact, whether or not they're in a mail list, they get
a permission denied message.
"""
Deleting
/topics/db/models/#extra-fields-on-many-to-many-relationships
Here you could specify a field called order.
To display you select everythong from the intermedirary model
'grouped_by=reel, order_by=order'.
Does this make any sense :D?
On Wed, Sep 17, 2008 at 8:51 PM, sethpomerantz <[EM
Hi,
I am building a simple web app that allows me to create a custom web
page of different quicktimes for presentation to clients and the like.
I have it working fine , however i'd like to add control over the
ordering of the quicktimes on the display pages. I am having a tough
time understanding
I'm running into trouble using the admin interface's search feature,
probably due to the default way that tables are being joined. I have
an Actor and a Group, and a many-to-many relationship between them.
(So Actors can be in multiple Groups, and Groups can have multiple
Actors). For the Group ob
I'm working on a sort of integrated email system where an
OutboundEmail can be sent to any number of Users. So naturally my
OutboundEmail model has an m2m relationship to User.
Today I've been fiddling with permissions on the User model. To my
amazement I need "change" permissions on OutboundEmai
On 5/13/07, C <[EMAIL PROTECTED]> wrote:
>
> Ok, I've run upon another stumbling block. I did as you recommended
> and created a Relation model. I'd like to be able to edit/create a
> Relation inline with a Part in the django admin.
>
> The example provided in the tutorial for editing inline doe
Ok, I've run upon another stumbling block. I did as you recommended
and created a Relation model. I'd like to be able to edit/create a
Relation inline with a Part in the django admin.
The example provided in the tutorial for editing inline doesn't work
in this situation. Is it doable at all?
Thanks for your help, Russ. Your example does exactly what I want I
think.
C
On Apr 17, 8:10 pm, "Russell Keith-Magee" <[EMAIL PROTECTED]>
wrote:
> On 4/18/07, C <[EMAIL PROTECTED]> wrote:
>
>
>
> > Hi,
>
> > I am building a simple parts database as a fun "learn django" project.
> > A "part" i
On 4/18/07, C <[EMAIL PROTECTED]> wrote:
>
> Hi,
>
> I am building a simple parts database as a fun "learn django" project.
> A "part" in my test application has a part number, description, etc
> and can optionally be composed of other parts. This sounded to me
> like a good candidate for a self
Hi,
I am building a simple parts database as a fun "learn django" project.
A "part" in my test application has a part number, description, etc
and can optionally be composed of other parts. This sounded to me
like a good candidate for a self referring many to many relationship.
I got it coded a
I can think of a couple of ways:
1. Using intermediate table for Many-to-many relationship:
class UserPermission(models.Model):
user = models.ForeignKey(User)
permission = models.ForeignKey(Permission)
user_permissions = UserPermission.objects.select_related().all()
2. Writing some custo
Is there a problem in django's many-to-many relationship mapper when it
comes to selecting the related fields? In this simple example I have a
user with permissions and they are related via an intermediary table.
"select_related()" only brings back the User object and each access of
a Permission
Hi all,
May be I'm too demanding to django Db API, but anyway..
OK, I have many-to-many relationship Story >-< Image.
I want to get all images which bound to a story and with 'caption' or
'img' fields applied search condition string 'conditionString'.
If I write (ver 0.91):
from django.models.
On Sun, 2006-08-13 at 17:14 -0700, [EMAIL PROTECTED] wrote:
> I'm trying to get a queryset of all users in two particluar groups that
> *aren't* in a third particular group.
This same conversation is going on in another thread at the moment, so
let me explain the general case: any chained filter
I'm trying to get a queryset of all users in two particluar groups that
*aren't* in a third particular group.
Here's what I tried*:
User.objects.filter(groups__in=(author_group,
guide_group)).exclude(groups=staff_group)
This is the SQL produced:
SELECT * FROM auth_user
LEFT OUTER JOIN auth_user_
Malcolm Tredinnick wrote:
On Tue, 2006-06-27 at 23:53 -0400, bsdlogical wrote:
I've recently stumbled over a problem whose solution I can't find. I
have a class with two fields that use the built-in User class (from
django.contrib.auth.models) in a many-to-many relationship. Howeve
On Tue, 2006-06-27 at 23:53 -0400, bsdlogical wrote:
> I've recently stumbled over a problem whose solution I can't find. I
> have a class with two fields that use the built-in User class (from
> django.contrib.auth.models) in a many-to-many relationship. However,
> when I try to access or modify
I've recently stumbled over a problem whose solution I can't find. I
have a class with two fields that use the built-in User class (from
django.contrib.auth.models) in a many-to-many relationship. However,
when I try to access or modify those fields, django throws an error
message. My class declar
Malcolm is dead on!
In fact, I should've mentioned that the case that works for me is an
inclusion query rather than an exclusion e.g. find all articles that
have the topic soccer, where articles and topics have a many-to-many
relationship.
For exclusions like the one sought by the OP, an extra
On Thu, 2006-06-22 at 15:48 +, [EMAIL PROTECTED] wrote:
> I have found that, in some cases, the following also works (I have a
> similar model where using the slug of the related object does not work
> but using it's PK works):
>
> tag_id = Tag.objects.get(tag = 'nopush').id
> x = Server.obje
I have found that, in some cases, the following also works (I have a
similar model where using the slug of the related object does not work
but using it's PK works):
tag_id = Tag.objects.get(tag = 'nopush').id
x = Server.objects.exclude(tags__id__exact=tag_id)
This may be because using the id sa
On Wed, 2006-06-21 at 12:08 -0700, loki77 wrote:
> I am messing with a server database that I've written in Django, and
> I'm running into something that for some reason I can't figure out.
>
> Just some dependency info:
> * Using Django from the svn repository- checked out revision 3189.
>
> I
Sorry, I forgot to mention: There are around 300 servers WITHOUT the
nopush tag in the database, and that's the set of servers I would like
to return.
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I am messing with a server database that I've written in Django, and
I'm running into something that for some reason I can't figure out.
Just some dependency info:
* Using Django from the svn repository- checked out revision 3189.
I have two types of objects (well, more, but the others aren't in
Hi,
I have a News model with a field in it called Topic:
topic = model.ManyToManyField(Topic)
Now I would like to add a Sequence field to the intermediary table and
as it has been suggested, I should delete the ManyToMany field from the
News model and create the intermediery table by hand.
class
On 9/12/05, stane <[EMAIL PROTECTED]> wrote:
> If I have declare explicitly primary keys ex. article_id and
> publication_id then p1.get_article_list() fails
>
> Traceback (most recent call last):
> File "", line 1, in ?
> File "C:\Python23\lib\site-packages\django\utils\functional.py", line
> 3,
If I have declare explicitly primary keys ex. article_id and
publication_id then p1.get_article_list() fails
Traceback (most recent call last):
File "", line 1, in ?
File "C:\Python23\lib\site-packages\django\utils\functional.py", line
3, in _curried
return args[0](*(args[1:]+moreargs), **dict(kw
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