I tried to do shelf.cards.count and I get an error saying it cannot
find shelf.id in the cards table.
On Oct 2, 2:28 am, "Xavier Noria" <[EMAIL PROTECTED]> wrote:
> On Thu, Oct 2, 2008 at 7:03 AM, Me <[EMAIL PROTECTED]> wrote:
>
> > If I have a shelftable, cardtableand porttablehow do I go about
> > inserting data into eachtablerelating one to another?
>
> >Insertname of the shelf and # of cards the shelf has, and the name of
> > each card and other data, and how many ports on each card?
>
> > Shelf has many cards.
> > Card has many ports.
>
> ActiveRecordgives you API to build, save, and retrieve this stuff at
> a high-level. In particular it handles recursive save and FK
> assignment for you:
>
> shelf = Shelf.new(:name => 's')
>
> card1 = shelf.cards.build(:name => 'c1')
> card2 = shelf.cards.build(:name => 'c2')
>
> 1.times {card1.ports.build}
> 2.times {card2.ports.build}
>
> shelf.save
>
> puts "dumping shelf #{shelf.name}, which has #{shelf.cards.count} cards"
> for card in shelf.cards
> puts "dumping card #{card.name}, which has #{card.ports.count} ports"
> for port in card.ports
> puts "shelf #{shelf.id} - card #{card.id} - port #{port.id}"
> end
> end
--~--~---------~--~----~------------~-------~--~----~
You received this message because you are subscribed to the Google Groups "Ruby
on Rails: Talk" group.
To post to this group, send email to [email protected]
To unsubscribe from this group, send email to [EMAIL PROTECTED]
For more options, visit this group at
http://groups.google.com/group/rubyonrails-talk?hl=en
-~----------~----~----~----~------~----~------~--~---
