may be a dictionary of tablename_event:function I see that in DAL level this is very complicated.
but what about the resquest-response workflow events. I had cases where I needed some global function to trigger before/after the template rendering and final response. http://zerp.ly/rochacbruno Em 11/10/2011 19:42, "Massimo Di Pierro" <massimo.dipie...@gmail.com> escreveu: > the problem with this is not the names. ;-) > > Consider the case of preupdate and onupdate. > > db(db.person.age>18).update(can_drink=True) > > What information should be passed to preupdate and update? tablename? > query? {'can_drink':True}? Number of affected records? Should there be > one onselect per table? We do not want to call onupdate for every > table, do we (performance issues)? > > What about? > > db(db.person.id=2).update(can_drink=True) > > What about > > > db(db.person).select(left=db.dog.on(db.dog.owner==db.person.id > ),limitby=(0,1)) > > What should we pass to onselect? query? left? limitby? all arguments? > number of returned records? returned records? In this case we cannot > pass one table because because more than one table may be involved. > > Every one of those callbacks would need a different signature. It > would not be obvious and I am not sure people would agree. > I do not oppose to this. I just want to hear more from you. > > Massimo > > > > On Oct 11, 4:57 pm, Bruno Rocha <rochacbr...@gmail.com> wrote: > > Would be nice to have some global events in web2py workflow. I can > imagine > > some useful hooks: > > > > workflow global events: > > > > onrequest # before the execution of action/model > > > > prerender # after the execution of action/model but before the view > > rendering > > > > onrender # after the view render but before the output > > > > onresponse # after all the request process finished. > > > > DAL global events: > > > > preselect - onselect > > preinsert - oninsert > > preupdate - onupdate > > predelete - ondelete > > > > ASPnet has some usefull event system (oninit, onload, pageload etc..) > > > > I dont even know if it is possible to trigger all of them in web2py and > how > > can it cost. but would be nice to have it. > > > > http://zerp.ly/rochacbruno > > Em 11/10/2011 17:23, "Massimo Di Pierro" <massimo.dipie...@gmail.com> > > escreveu: > > > > > > > > > > > > > > > > > Not yet at the db level but at the form level: > > > > > form=SQLFORM(...).process(onsuccess=lambda form:...) > > > > > On Oct 11, 3:11 am, Manuele <manuele.pese...@gmail.com> wrote: > > > > Hi, > > > > is there a way to trigger some functions on database eventes, for > > > > example on new record? > > > > > > thanks a lot > > > > > > Manuele
