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-rw-r--r--activerecord/lib/active_record/associations/has_many_through_association.rb5
1 files changed, 5 insertions, 0 deletions
diff --git a/activerecord/lib/active_record/associations/has_many_through_association.rb b/activerecord/lib/active_record/associations/has_many_through_association.rb
index c7d8a84a7e..c3266f2bb4 100644
--- a/activerecord/lib/active_record/associations/has_many_through_association.rb
+++ b/activerecord/lib/active_record/associations/has_many_through_association.rb
@@ -153,6 +153,11 @@ module ActiveRecord
delete_through_records(records)
+ if source_reflection.options[:counter_cache]
+ counter = source_reflection.counter_cache_column
+ klass.decrement_counter counter, records.map(&:id)
+ end
+
if through_reflection.macro == :has_many && update_through_counter?(method)
update_counter(-count, through_reflection)
end