method
check_validity!
check_validity!()
public
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# File activerecord/lib/active_record/reflection.rb, line 568 def check_validity! check_validity_of_inverse! if !polymorphic? && (klass.composite_primary_key? || active_record.composite_primary_key?) if (has_one? || collection?) && Array(active_record_primary_key).length != Array(foreign_key).length raise CompositePrimaryKeyMismatchError.new(self) elsif belongs_to? && Array(association_primary_key).length != Array(foreign_key).length raise CompositePrimaryKeyMismatchError.new(self) end end end