Use unscoped instead of with_exclusive_scope for preloading

activerecord/lib/active_record/association_preload.rb

@@ -187,13 +187,12 @@ def preload_has_and_belongs_to_many_association(records, reflection, preload_opt
         conditions = "t0.#{reflection.primary_key_name} #{in_or_equals_for_ids(ids)}"
         conditions << append_conditions(reflection, preload_options)
 
-        associated_records = reflection.klass.with_exclusive_scope do
-          reflection.klass.where([conditions, ids]).
+        associated_records = reflection.klass.unscoped.where([conditions, ids]).
             includes(options[:include]).
             joins("INNER JOIN #{connection.quote_table_name options[:join_table]} t0 ON #{reflection.klass.quoted_table_name}.#{reflection.klass.primary_key} = t0.#{reflection.association_foreign_key}").
             select("#{options[:select] || table_name+'.*'}, t0.#{reflection.primary_key_name} as the_parent_record_id").
             order(options[:order]).to_a
-        end
+
         set_association_collection_records(id_to_record_map, reflection.name, associated_records, 'the_parent_record_id')
       end
 
@@ -341,9 +340,7 @@ def preload_belongs_to_association(records, reflection, preload_options={})
           conditions = "#{table_name}.#{connection.quote_column_name(primary_key)} #{in_or_equals_for_ids(ids)}"
           conditions << append_conditions(reflection, preload_options)
 
-          associated_records = klass.with_exclusive_scope do
-            klass.where([conditions, ids]).apply_finder_options(options.slice(:include, :select, :joins, :order)).to_a
-          end
+          associated_records = klass.unscoped.where([conditions, ids]).apply_finder_options(options.slice(:include, :select, :joins, :order)).to_a
 
           set_association_single_records(id_map, reflection.name, associated_records, primary_key)
         end
@@ -362,14 +359,16 @@ def find_associated_records(ids, reflection, preload_options)
 
         conditions << append_conditions(reflection, preload_options)
 
-        reflection.klass.with_exclusive_scope do
-          reflection.klass.select(preload_options[:select] || options[:select] || "#{table_name}.*").
-            includes(preload_options[:include] || options[:include]).
-            where([conditions, ids]).
-            joins(options[:joins]).
-            group(preload_options[:group] || options[:group]).
-            order(preload_options[:order] || options[:order])
-        end
+        find_options = {
+          :select => preload_options[:select] || options[:select] || "#{table_name}.*",
+          :include => preload_options[:include] || options[:include],
+          :conditions => [conditions, ids],
+          :joins => options[:joins],
+          :group => preload_options[:group] || options[:group],
+          :order => preload_options[:order] || options[:order]
+        }
+
+        reflection.klass.unscoped.apply_finder_options(find_options).to_a
       end