method
polymorphic?
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polymorphic?()
public
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# File activerecord/lib/active_record/associations/preloader/branch.rb, line 102 def polymorphic? return false if root? return @polymorphic if defined?(@polymorphic) @polymorphic = source_records.any? do |record| reflection = record.class._reflect_on_association(association) reflection && reflection.options[:polymorphic] end end