Re: Created & updated date/time in models

On Sun, Aug 12, 2012 at 12:06 PM, Melvyn Sopacua <m.r.sopacua@gmail.com> wrote:
> On 8-8-2012 23:02, Lachlan Musicman wrote:
>
>> From what I can see, the admin interface already keeps this data for
>> each object (exception: no create_date for data imported via fixtures
>> apparently).
>
> Three options:
> 1) Add the fields you want to each model
> 2) Bypass django and use triggers to populate a separate table, this can
> be installed as custom SQL [1].
> 3) Implement 2) in django using generic foreign keys [2]. This is
> similar to how the admin is doing it, except that you would have to
> connect a global post_save (and pre_delete?) signal and ignore the
> signal if it applies to the "statistics collecting model". The overhead
> will be noticeable.
>
>> In an effort to reduce duplicating data, how would I go about getting
>> at that data from within my model's view?
>
> For option 1) it should be obvious.
> For option 3) by resolving the content type
> Option 2) requires raw SQL [3].

Bingo, perfect answer - thanks
(number 1 it is)
cheers
L.

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