Use to indicate that the given table_names are referenced by an SQL string, and should therefore be JOINed in any query rather than loaded separately. This method only works in conjunction with includes. See #includes for more details.
# File activerecord/lib/active_record/relation/query_methods.rb, line 197 def references(*table_names) check_if_method_has_arguments!(:references, table_names) spawn.references!(*table_names) end