One more question: If I have created_at field in Item and want to get items in created_at order how it do?
On 2 июн, 22:07, Michael Klishin <[email protected]> wrote: > On Tue, Jun 2, 2009 at 7:51 PM, Timur Abishev <[email protected]> wrote: > > > Hi. > > I have 2 tables: items and sessions > > Item has many sessions and session has many items. > > I.e. > > class Item > > include DataMapper::Resource > > has n, :sessions, :through => Resource > > end > > class Session > > include DataMapper::Resource > > has n, :items, :through => Resource > > end > > > How I may select all items without some session ? > > Using an intermediate model for n:m is almost always a good > thing:https://gist.github.com/0b9fac8f886b6f323cf2 > > To select all items in one scoop you can use :conditions => ["...", > arg1, arg2] syntax, or if there aren't that many > items, just map intermediate models list to items list > > Raw SQL queries is area when DataObjects adapter and Query syntax > needs some improvements in DM, it is true. > -- > MK --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "DataMapper" 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/datamapper?hl=en -~----------~----~----~----~------~----~------~--~---
