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-rw-r--r--activerecord/test/models/essay.rb8
1 files changed, 8 insertions, 0 deletions
diff --git a/activerecord/test/models/essay.rb b/activerecord/test/models/essay.rb
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+++ b/activerecord/test/models/essay.rb
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+# frozen_string_literal: true
+
+class Essay < ActiveRecord::Base
+ belongs_to :author
+ belongs_to :writer, primary_key: :name, polymorphic: true
+ belongs_to :category, primary_key: :name
+ has_one :owner, primary_key: :name
+end