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2006 Sep 21
3
:order by association field
...ould be a fairly common pattern, but I''m currently not sure how. BACKGROUND: model Family has_one Father. also, Family has field "country_of_origin" model Father has a number of fields, such as first_name, age, etc. It''s easy to sort based on families'' fields: sorted_families = Family.find(:all, :order => ''country_of_origin'') But, how do I sort based on the fields of the child? For example, how do I sort families based on the first name of the associated "father" field? I.e., sorted_families = Family.find(:all, :order => ''...