Method: ActiveRecord::Persistence::ClassMethods#composite_query_constraints_list

Defined in:
activerecord/lib/active_record/persistence.rb

#composite_query_constraints_list ⇒ Object

Returns an array of column names to be used in queries. The source of column names is derived from query_constraints_list or primary_key. This method is for internal use when the primary key is to be treated as an array.



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# File 'activerecord/lib/active_record/persistence.rb', line 234

def composite_query_constraints_list # :nodoc:
  @composite_query_constraints_list ||= query_constraints_list || Array(primary_key)
end