[BangPypers] Fwd: do I need to run syncdb when I change the default value in a field of a model?

[Venkatraman S]

FYI. I think this was a good design decision; I never realized the
importance of this feature until I stumbled on something interesting by
sheer serendipity.

-V

---------- Forwarded message ----------
From: Russell Keith-Magee
Date: Fri, Mar 21, 2014 at 5:43 AM
Subject: Re: do I need to run syncdb when I change the default value in a
field of a model?
To: Django Users <django-users at googlegroups.com>



On Thu, Mar 20, 2014 at 6:50 PM, Venkatraman S <> wrote:

>
> On Sat, Mar 15, 2014 at 7:11 AM, Russell Keith-Magee <> wrote:
>
>>
>> On Sat, Mar 15, 2014 at 7:19 AM, Jonathan Baker <> wrote:
>>
>>> Does that mean that the default="" functionality is implemented by the
>>> ORM, instead of in the database layer?
>>>
>>> This is correct - Django's "default" argument is an API level default,
>> not a database level default.
>>
>>
> @Russ, any specific reasons for this choice?
>

Honestly - not a clue. It was like that when I got here, so the reasons are
probably lost in the depths of time. :-)

Trying to reverse engineer the decision, the most likely reason is that
Django has allowed callable defaults; if you define a callable in your
Django model as a default, there's no way to pass this down to the database
(or, at least, not an easy way).

Yours,
Russ Magee %-)


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