On Fri, Feb 6, 2009 at 12:43 PM, Kevin Audleman <kevin.audle...@gmail.com>wrote:
> > I'm building a simple time tracker. It has a table Clients and a table > Projects and there is a one-to-many relationship between them. I have > a field called hourly_rate that is in both tables. The reasoning is > that in general the hourly rate is the same across projects based on > the client, but if at some point the hourly_rate goes up, I need to > keep track of the historical rate I charged on Projects. What I would > like to do is, on creation of a new Project, automatically populate > its hourly_rate field with the value from Clients. Is this possible to > set up in django? I'm used to Filemaker where I have the ability to > auto-populate fields on creation through relationships, but django is > a new world unto me. > > Thanks for your help, > Kevin Audleman > > > Yep this is possible, basically what you're going to want to do is override the save() method on a Project so that when it gets created it just copies it's Clients hourly pay, you can look for other examples of using this technique to accomplish other things(such as automatically setting the creation date on a field). Alex -- "I disapprove of what you say, but I will defend to the death your right to say it." --Voltaire "The people's good is the highest law."--Cicero --~--~---------~--~----~------------~-------~--~----~ 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 django-users+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/django-users?hl=en -~----------~----~----~----~------~----~------~--~---
