Remove some Symbol#to_proc usage in runtime code. [#484 state:resolved]

activerecord/lib/active_record/associations.rb

@@ -1145,7 +1145,7 @@ module ActiveRecord
           end
 
           define_method("#{reflection.name.to_s.singularize}_ids") do
-            send(reflection.name).map(&:id)
+            send(reflection.name).map { |record| record.id }
           end
         end
 
@@ -1490,7 +1490,7 @@ module ActiveRecord
           sql << " FROM #{connection.quote_table_name table_name} "
 
           if is_distinct
-            sql << distinct_join_associations.collect(&:association_join).join
+            sql << distinct_join_associations.collect { |assoc| assoc.association_join }.join
             add_joins!(sql, options, scope)
           end
 

activerecord/lib/active_record/associations/association_collection.rb

@@ -14,7 +14,7 @@ module ActiveRecord
         # If using a custom finder_sql, scan the entire collection.
         if @reflection.options[:finder_sql]
           expects_array = args.first.kind_of?(Array)
-          ids           = args.flatten.compact.uniq.map(&:to_i)
+          ids           = args.flatten.compact.uniq.map { |arg| arg.to_i }
 
           if ids.size == 1
             id = ids.first

activerecord/lib/active_record/associations/has_many_association.rb

@@ -61,9 +61,9 @@ module ActiveRecord
         def delete_records(records)
           case @reflection.options[:dependent]
             when :destroy
-              records.each(&:destroy)
+              records.each { |r| r.destroy }
             when :delete_all
-              @reflection.klass.delete(records.map(&:id))
+              @reflection.klass.delete(records.map { |record| record.id })
             else
               ids = quoted_record_ids(records)
               @reflection.klass.update_all(