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-rw-r--r--activerecord/test/models/topic.rb4
1 files changed, 4 insertions, 0 deletions
diff --git a/activerecord/test/models/topic.rb b/activerecord/test/models/topic.rb
index 4aad6a4498..03430154db 100644
--- a/activerecord/test/models/topic.rb
+++ b/activerecord/test/models/topic.rb
@@ -138,6 +138,10 @@ class BlankTopic < Topic
end
end
+class TitlePrimaryKeyTopic < Topic
+ self.primary_key = :title
+end
+
module Web
class Topic < ActiveRecord::Base
has_many :replies, dependent: :destroy, foreign_key: "parent_id", class_name: "Web::Reply"