Thanks all... replied once to this, and it went to never never land. These are all along the same lines... Tim's suggestion is right on the money as to what I need ( changes in the model code and nowhere else). I'll try it out as soon as my DBA modifies the tables, which is hopefully soon.
On May 24, 5:24 pm, Matt McClanahan <[EMAIL PROTECTED]> wrote: > On May 24, 2:03 pm, "[EMAIL PROTECTED]" > > <[EMAIL PROTECTED]> wrote: > > To accomplish this we are going to add a 'deleted_flag' to each table, > > and set it to 0 if it is not deleted, and 1 if it is deleted. > > Just as an aside, when I use this approach I find it handy to use a > date field, 'deletedate' rather than a flag. This provides the extra > bit about when an item was deleted, which can sometimes be useful > later information on. > > > Rather than going to every function I am displaying items ( 99% of the > > time I'm using .filter then some filter ), is there a way to tell it > > in the model to always append delete_flag=0 to any of the .filter > > parameters I am passing in, so that only non logically deleted items > > are returned? I just thought I'd check before trolling through > > thousands of lines of code for all of my .filter statements. > > What you're probably looking for is a custom model manager that > replaces the default manager for your models. Making a custom model > manager is documented > athttp://www.djangoproject.com/documentation/models/custom_managers/ > and the example case (published books) is very similar to what you're > after. The only thing that example doesn't do is make the custom > manager the default. This is accomplished simply by setting the > model's 'objects' property to your custom manager. > > Bear in mind, however, that there can be side effects to applying a > filter of this sort by default to all queries made through the > manager. For example, since the admin application uses the default > manager, items which are filtered out will be inaccessible from > there. This issue is discussed in ticket #1855. > > Matt --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Django users" group. To post to this group, send email to django-users@googlegroups.com To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/django-users?hl=en -~----------~----~----~----~------~----~------~--~---
