*bump* Did you find a solution to this Neil?
I found an old thread: https://groups.google.com/forum/?fromgroups=#!topic/datamapper/BChZ83gDSqQ It is 3 years old now though. Is there a way to achieve this? Cheers all.... Adam On Saturday, 12 January 2013 01:15:21 UTC, Neil C wrote: > > I made a mistake in my earlier question since I just typed it out. > Obviously parent.children.name wouldn't work because Collection doesn't > have a name property. > > So the better question is: Given the class definitions above, how would I > get the names of the kids from oldest to youngest? > > Thanks and sorry for the confusion. > > > On Friday, January 11, 2013 7:22:00 PM UTC-5, Neil C wrote: >> >> Imagine Parent and Child classes as you might expect: >> >> class Parent >> include DataMapper::Resource >> >> property :id, Serial >> property :name, String, :required => true >> >> has n, :children, :order => :age.desc #Note default order by age >> descending (i.e. oldest to youngest) >> end >> >> class Child >> include DataMapper::Resource >> >> property :id, Serial >> property :name, String, :required => true >> property :age, String, :required => true >> >> belongs_to :parent >> end >> >> I now want the names of the kids from oldest to youngest so I do this >> >> parent.children.name >> >> The problem is that the order by age descending isn't being applied; in >> fact, it is ignored. I am getting the names sorted by id. >> >> Is it even possible to maintain order across associations? If so, how? >> >> Thanks. >> >> >> -- You received this message because you are subscribed to the Google Groups "DataMapper" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at http://groups.google.com/group/datamapper?hl=en. For more options, visit https://groups.google.com/groups/opt_out.
