diff --git a/activerecord/lib/active_record/relation.rb b/activerecord/lib/active_record/relation.rb index 2d0861d5c9..fff0ad1b83 100644 --- a/activerecord/lib/active_record/relation.rb +++ b/activerecord/lib/active_record/relation.rb @@ -216,17 +216,13 @@ module ActiveRecord if conditions || options.present? where(conditions).apply_finder_options(options.slice(:limit, :order)).update_all(updates) else - limit = nil - order = [] - # Apply limit and order only if they're both present - if @limit_value.present? == @order_values.present? - limit = arel.limit - order = arel.orders + stmt = arel.compile_update(Arel.sql(@klass.send(:sanitize_sql_for_assignment, updates))) + + if limit = arel.limit + stmt.take limit end - stmt = arel.compile_update(Arel.sql(@klass.send(:sanitize_sql_for_assignment, updates))) - stmt.take limit if limit - stmt.order(*order) + stmt.order(*arel.orders) stmt.key = table[primary_key] @klass.connection.update stmt.to_sql, 'SQL', bind_values end diff --git a/activerecord/test/cases/persistence_test.rb b/activerecord/test/cases/persistence_test.rb index 57d1441128..9cd07fa8a5 100644 --- a/activerecord/test/cases/persistence_test.rb +++ b/activerecord/test/cases/persistence_test.rb @@ -29,6 +29,26 @@ class PersistencesTest < ActiveRecord::TestCase end end + def test_update_all_doesnt_ignore_order + assert_equal authors(:david).id + 1, authors(:mary).id # make sure there is going to be a duplicate PK error + test_update_with_order_succeeds = lambda do |order| + begin + Author.order(order).update_all('id = id + 1') + rescue ActiveRecord::ActiveRecordError + false + end + end + + if test_update_with_order_succeeds.call('id DESC') + assert !test_update_with_order_succeeds.call('id ASC') # test that this wasn't a fluke and using an incorrect order results in an exception + else + # test that we're failing because the current Arel's engine doesn't support UPDATE ORDER BY queries is using subselects instead + assert_sql(/\AUPDATE .+ \(SELECT .* ORDER BY id DESC\)\Z/i) do + test_update_with_order_succeeds.call('id DESC') + end + end + end + def test_update_all_with_order_and_limit_updates_subset_only author = authors(:david) assert_nothing_raised do