From 707d0dd3e1e8df7771073670e4257d933d2818f9 Mon Sep 17 00:00:00 2001 From: Frederick Cheung Date: Wed, 17 Dec 2008 23:39:09 +0000 Subject: Fix preloading of belongs_to with null foreign key generating useless query [#1027 state:resolved] --- activerecord/lib/active_record/association_preload.rb | 1 + 1 file changed, 1 insertion(+) (limited to 'activerecord/lib') diff --git a/activerecord/lib/active_record/association_preload.rb b/activerecord/lib/active_record/association_preload.rb index 99c3ce5e62..d8aa1051bd 100644 --- a/activerecord/lib/active_record/association_preload.rb +++ b/activerecord/lib/active_record/association_preload.rb @@ -307,6 +307,7 @@ module ActiveRecord klasses_and_ids.each do |klass_and_id| klass_name, id_map = *klass_and_id + next if id_map.empty? klass = klass_name.constantize table_name = klass.quoted_table_name -- cgit v1.2.3