Primary keys vs. natural keys

Hallöchen! Do I understand it correctly that in the Django community, it is preferred to use surrogate primary keys (the auto ID field) instead of explicitly setting primary keys? Currently, I add natural_key() methods to many of my models, but some of them return only one field. Now I wonder wh

Re: Primary keys vs. natural keys

Hi Torsten, > On Oct 31, 2014, at 3:13 AM, Torsten Bronger > wrote: > Do I understand it correctly that in the Django community, it is > preferred to use surrogate primary keys (the auto ID field) instead > of explicitly setting primary keys? Yes, I'd say this is true. > Currently, I add nat

Re: Primary keys vs. natural keys

Hallöchen! Carl Meyer writes: > [...] > > There is no built in feature for this, but it doesn't seem like a > hard problem to solve with your own conventions. For instance, > rather than hardcoding the name of the natural key field inside > the natural_key method, make it a model class attribute,

Re: translation of view messages and business related messages not working

Thanks Ramiro, that worked. I think I understand why, but there's one thing I still don't get. I have some error messages that I was marking for translation with ugettext_noop, as I read it was a good way if I wanted for example to log the message without translation and translate it only when

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Rotate the CSRF token on every request

Hi all, I am in the process right now of working on a web portal where we want to rotate the csrf token on each request. We intend to have a new token each time for optimal security. I was hoping someone might know more about this than I do because I've run into some difficulties that were not

Re: pycurl and SSLv3

On Thu, Oct 30, 2014 at 2:50 PM, john wrote: > Hi, > > On the server side of my Django website I use pycurl (version 7.20.x) to > connect to authorize.net (to send credit card info). On Nov 4 Authorize.net > will turn off SSLv3. So I'm wondering if my use pycurl will continue to > work. To be h

Auto-filling others ImageFields based on the original one

Hi, I have to save 3 versions of uploaded photo (and i dont want to use solr) , original one and two which are resized versions of the original one. I need those two additional photos as ImageFields in my model , due to the fact that i want to use django ORM. Class Post(model.Models):

Re: DB foreign key constraints : Django 1.7 regression ?

Ticket created at https://code.djangoproject.com/ticket/23741 , with a basic implementation (that detected missing relations on non-managed models on my project !!). Thanks for the help ! Le jeudi 30 octobre 2014 18:28:31 UTC+1, Carl Meyer a écrit : > > On 10/30/2014 06:09 AM, not...@gmail.com

Re: Primary keys vs. natural keys

> On Oct 31, 2014, at 4:19 AM, Torsten Bronger > wrote: > Carl Meyer writes: >> [...] >> >> There is no built in feature for this, but it doesn't seem like a >> hard problem to solve with your own conventions. For instance, >> rather than hardcoding the name of the natural key field inside >> t

Re: Primary keys vs. natural keys

Hallöchen! Carl Meyer writes: >> On Oct 31, 2014, at 4:19 AM, Torsten Bronger >> wrote: >> >> [...] >> >> Do you mean this: >> >>class ExternalOperator(models.Model): >> >>name = models.CharField(_("name"), max_length=30, unique=True) >>natural_key_field = "name" >> >> I

Re: Slow SQL query

Hi Erik, > Maybe Users doesn't belong in the Orders table? You could move the user to > a different table which stores the Order.id <-> user_id relation, which > would give a fast lookup on user_id and thus easy access to the Order.id > index. Interesting idea! I'll think about it. Thanks,

Re: Charfield case insensitive sorting in Model Admin

Hi Collin, Thanks for the solution ! On Thursday, 30 October 2014 02:39:53 UTC+8, Collin Anderson wrote: > > Hello, > > One way to do it would be to have add an editable=False field name_sort > that's a lower() version of your name field. You can update that field in > the save method. > > In

Re: Auto-filling others ImageFields based on the original one

On 1/11/2014 2:35 AM, Sasa Trifunovic wrote: Hi, I have to save 3 versions of uploaded photo (and i dont want to use solr) , original one and two which are resized versions of the original one. I need those two additional photos as ImageFields in my model , due to the fact that i want to use dj

Re: Calling a function for a url tag parameter

Hey, A filter would work better here if you can use one. The following should work: Defined as: @register.filter def encode_url(link_text): return link_text.replace(' ', '_') And in template: {% with state_url=flow.state.description|encode_url %} advance {% endwith %} Aubrey On Thu, Oct 30,

Re: Primary keys vs. natural keys

> On Oct 31, 2014, at 3:26 PM, Torsten Bronger > wrote: > > Hallöchen! > > Carl Meyer writes: > >>> On Oct 31, 2014, at 4:19 AM, Torsten Bronger >>> wrote: >>> >>> [...] >>> >>> Do you mean this: >>> >>> class ExternalOperator(models.Model): >>> >>> name = models.CharField(_("na

Re: Actively developed/supported piston fork?

On Thursday, October 30, 2014 4:34:32 PM UTC+7, sams...@gmail.com wrote: > > I've inherited an app that was written for Django 1.4, and updated it to > Django 1.7. > ... > Are any being actively used/fixed/supported? Which one should I try? > While Russell Keith-Magee is definitely correct when