Bug: composite_primary_keys and belongs_to with :class_name option 2

Posted by ryan Sat, 17 Nov 2007 02:39:44 GMT

For those of you using the composite_primary_keys gem as of version 0.9.0, you may encounter an issue if you try to do something like:

class Reading < ActiveRecord::Base
  belongs_to :reader, :class_name => "User"
end 

When a User is loaded up from the database via the reader association, the CPK modification to ActiveRecord::Reflection::AssociationReflection#primary\_key\_name incorrectly returns "user_id" as the primary key name. If you encounter this issue, I've submitted a patch against revision 124 that can be obtained here.

Hopefully this will get fixed in the next release. More hopefully, I won't need to care by then.

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