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Description: Ruby on Rails
Homepage: http://rubyonrails.org
Clone URL: git://github.com/codafoo/rails.git 
Fixed has_many_through association join building for legacy dbs
codafoo (author)
Mon Jun 30 23:40:29 -0700 2008
commit  7fcdf6c7d83ee65c3dc420284eb3b2c4f91a0255
tree    8aed607a3a9d04401ac935c260d0f5dcee535d27
parent  6f1d827096ad9f1044a6da7141e7ae720a64ec6b
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activerecord/lib/active_record/associations/has_many_through_association.rb 
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@@ -148,7 +148,7 @@ module ActiveRecord
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             end
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           else
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             reflection_primary_key = @reflection.source_reflection.primary_key_name
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-            source_primary_key     = @reflection.klass.primary_key
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+            source_primary_key     = @reflection.through_reflection.klass.primary_key
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             if @reflection.source_reflection.options[:as]
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               polymorphic_join = "AND %s.%s = %s" % [
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                 @reflection.quoted_table_name, "#{@reflection.source_reflection.options[:as]}_type",

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