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-rw-r--r--activerecord/lib/active_record/associations/collection_association.rb5
1 files changed, 3 insertions, 2 deletions
diff --git a/activerecord/lib/active_record/associations/collection_association.rb b/activerecord/lib/active_record/associations/collection_association.rb
index 906560bd44..73b4a187c8 100644
--- a/activerecord/lib/active_record/associations/collection_association.rb
+++ b/activerecord/lib/active_record/associations/collection_association.rb
@@ -79,7 +79,7 @@ module ActiveRecord
if block_given?
load_target.find(*args) { |*block_args| yield(*block_args) }
else
- if options[:finder_sql]
+ if options[:finder_sql] || options[:inverse_of]
find_by_scan(*args)
else
scope.find(*args)
@@ -567,7 +567,8 @@ module ActiveRecord
end
end
- # If using a custom finder_sql, #find scans the entire collection.
+ # If using a custom finder_sql or if the :inverse_of option has been
+ # specified, then #find scans the entire collection.
def find_by_scan(*args)
expects_array = args.first.kind_of?(Array)
ids = args.flatten.compact.map{ |arg| arg.to_i }.uniq