27th
Wed
PolymorphicアソシエイションをEagerローディングする方法
Rails 2.1より前では、Polymorphi
1 trackbacks= Trackback.all(:limit => 10) 2 Trackback.send :preload_as sociations , trackbacks , :trackbacka ble
このように、事後にpreload_as
posted by
genki
on Wed 27 Aug 2008
at 09:36