On 16 March 2012 16:59, Colin Law <clan...@googlemail.com> wrote: > On 16 March 2012 15:41, bingo bob <li...@ruby-forum.com> wrote: >> I have a database with a lot of Name objects in it, some have the same >> given name - ok fairly normal. >> >> I simply wish to return all the Names with a unique given name. >> *important* I an array of objects returned not just the given names so I >> can access all the attributes of the name when they're returned, i.e. in >> my view I need the full object to get at the user and gender etc. > > But how will the > code know which of the records with given == "fred" that you want? > The other attributes may be different between the fred records.
+1 You might be satisfied with ".group_by(&:given)" on a collection of all the Name objects, which would give you a list of unique names, while still giving access to all the individual records. But this could be slow if you have a large collection. -- 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 rubyonrails-talk@googlegroups.com. To unsubscribe from this group, send email to rubyonrails-talk+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en.
