IME :include does a join if you are using the 'included' table in the query conditions:
A.find(:all, :conditions => 'a.column=1', :include => 'b') # no join A.find(:all, :conditions => 'a.column=1 AND b.column=2', :include => 'b') # join On Jun 2, 3:14 pm, Tom Ha <li...@ruby-forum.com> wrote: > > :joins does an inner join, :include doesn't (and may not even do a > > join at all) > > If you say "may not", when would it do or not do a join, then? And which > type of join? > > Doesn't :include amount to a LEFT JOIN, actually? > -- > Posted viahttp://www.ruby-forum.com/. -- 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-t...@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.
