On 19 May 2009, at 09:56, [email protected] wrote: > > As you understand if we have multiple concurrent requests for #start, > there is a possibility of a race condition, where two or more > processes are running the if branch. > > I want the #start request to be atomic, meaning that only one of the > concurrent processes can actually execute the if branch, others must > be waiting or get some kind of error. > > Should the request be somehow wrapped into a DB transaction? > take a look at optimistic locking.
Fred > -Kirill > > --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" 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-talk?hl=en -~----------~----~----~----~------~----~------~--~---

