Yes. web2py automatically rollsback on any exception other than HTTP. raising HTTP is not considered an error.
This is explained in the book. I agree it should be explained also in the online docs. Massimo On Feb 2, 10:08 pm, Iceberg <iceb...@21cn.com> wrote: > Hi Massimo, > > A further question for this topic. > > I remember one of the old topic in this forum group mentioned that, in > every action we do not need an explicit db.commit() because web2py > automatically does it when no exception is raised during the action. > > So I wonder whether web2py automatically does db.rollback() when any > exception is raised inside an action? Or do we have to do it > explicitly in a try...except... clause (but why)? > > Besides, in order to make people aware of that, perhaps the answer of > this issue shall appear in built-in document, and/or appear as a doc > string in applications/welcome/controller/default.py 's index()? > > On Feb 3, 5:29 am, mdipierro <mdipie...@cs.depaul.edu> wrote: > > > db.rollback() > > > you can do this for example... > > > try: do your stuff > > except: db.rollback() > > > On Feb 2, 3:22 pm, pedro <pedro...@gmail.com> wrote: > > > > Ok, I don't want to reinvent the wheel, in the book it says that the > > > actions are wrapped in a transaction.. So my question is: what's the > > > best/simplest/more recommended way to rollback? > > > > I need to insert a few records per action or rollback in case one > > > fails. Am I ok if i simply raise an exception on failure? --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "web2py Web Framework" group. To post to this group, send email to web2py@googlegroups.com To unsubscribe from this group, send email to web2py+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/web2py?hl=en -~----------~----~----~----~------~----~------~--~---
