BTW... I do not think the current system is perfect. Ideally web2py should query the database for the current table stucture instead of using local .table files. .table files exist because - I do not know an alternative - because it is faster to look this up locally than query the database
Massimo On May 5, 2:14 pm, mdipierro <mdipie...@cs.depaul.edu> wrote: > I agree and it does not have to me. The current system does not limit > that. It only limits the fact that one app should do migrations. If > more than one app may do migrations just symlink the database folder. > > Massimo > > On May 5, 2:09 pm, Hans <johann.scheibelho...@easytouch-edv.com> > wrote: > > > IMO one more thing to consider is that a database is not necessarily > > exclusively owned by one application. I would even go further and say > > default should be a database is NOT exclusively owned by one app and > > also not by one framework. > > > Currently the problem arises if the .table files of one web2py app > > (stored in app/database folder) get out of sync with the database. > > To get the .table files of a web2py app out of sync with a central > > database is easy. Just have a 2nd app create a table which is also > > used by app #1. If app #1 does not set 'migrate=False', including > > auth.define_table(migrate=False), this app will not work any more. > > Same for app #3, #4, ... Those apps can also be non web2py apps which > > automatically create non existing tables, like web2py does it by > > default. > > > my 2 eurocents > > > Hans > > > I understand that throwing the default assumption 'the application > > owns the database tab > > On May 5, 6:13 pm, mdipierro <mdipie...@cs.depaul.edu> wrote: > > > > Yes or perhaps a repair.py script. > > > > Massimo > > > > On May 5, 10:24 am, Yarko Tymciurak <yark...@gmail.com> wrote: > > > > > On Tue, May 5, 2009 at 9:25 AM, mdipierro <mdipie...@cs.depaul.edu> > > > > wrote: > > > > > .... > > > > > > The only problems I can see would arise if: > > > > > - You delete databases/*.table but the database is still there > > > > > (updates do not cause this). Bad luck. One should not delete files, or > > > > > at least make a backup. > > > > > Maybe at some point we can address this w/ some mercurial checkin of > > > > such > > > > important files on a running system... --~--~---------~--~----~------------~-------~--~----~ 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 -~----------~----~----~----~------~----~------~--~---
