You are describing object transactions, Rails used to have support# for those, but it was removed [1] and is currently available as a plugin [2].
[1] http://dev.rubyonrails.org/ticket/5637 [2] http://code.bitsweat.net/svn/object_transactions/ On N, 2007-08-02 at 09:02 -0600, Jonathan Younger wrote: > Hey All, > > Am I wrong in thinking that the id and new_record? attributes should > be reverted if a transaction is rolled back? They don't currently > revert so the id attribute is left with a value that isn't actually > in the database and new_record? is returning false even though it > should be true. > > Here's a test demonstrating what I'm talking about: > > def test_should_reset_id_and_new_record_if_the_transaction_rolls_back > topic_count_before_save = Topic.count > > new_topic = Topic.new( > :title => "A new topic", > :author_name => "Ben", > :author_email_address => "[EMAIL PROTECTED]", > :written_on => "2003-07-16t15:28:11.2233+01:00", > :last_read => "2004-04-15", > :bonus_time => "2005-01-30t15:28:00.00+01:00", > :content => "Have a nice day", > :approved => false) > > new_record_snapshot = new_topic.new_record? > id_present = new_topic.has_attribute?(Topic.primary_key) > id_snapshot = new_topic.id > > Topic.transaction do > new_topic.save > raise ActiveRecord::Rollback > end > > topic_count_after_save = Topic.count > > assert_equal topic_count_before_save, topic_count_after_save > assert_equal new_record_snapshot, new_topic.new_record?, "The > topic should have its old new_record value" > assert_equal id_snapshot, new_topic.id, "The topic should have > its old id" > assert_equal id_present, new_topic.has_attribute? > (Topic.primary_key) > end > > Thanks, > > Jonathan > > > --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Ruby on Rails: Core" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/rubyonrails-core?hl=en -~----------~----~----~----~------~----~------~--~---
