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authorZachary Scott <e@zzak.io>2014-05-24 13:22:52 -0700
committerZachary Scott <e@zzak.io>2014-05-24 13:22:52 -0700
commitb13d260b11fc8415510e3d40ebb5d084a6f28518 (patch)
tree95b5315db39d4448bd9f653a1af3e5168406b487 /activerecord
parentade105be402f178eae2eb3aaa7f221097a55eb2a (diff)
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Skip if the association was already loaded.
Diffstat (limited to 'activerecord')
-rw-r--r--activerecord/lib/active_record/associations/preloader.rb1
1 files changed, 1 insertions, 0 deletions
diff --git a/activerecord/lib/active_record/associations/preloader.rb b/activerecord/lib/active_record/associations/preloader.rb
index 42571d6af0..7519fec10a 100644
--- a/activerecord/lib/active_record/associations/preloader.rb
+++ b/activerecord/lib/active_record/associations/preloader.rb
@@ -143,6 +143,7 @@ module ActiveRecord
def grouped_records(association, records)
h = {}
records.each do |record|
+ next unless record
assoc = record.association(association)
klasses = h[assoc.reflection] ||= {}
(klasses[assoc.klass] ||= []) << record