The record was there. That's the problem. The shortcut was erroneously reporting that it was gone.
On Tuesday, November 6, 2012 2:40:38 PM UTC-5, Niphlod wrote: > > del db.sometable[something] requires that the id == something exists. > db(db.sometable.id == something).delete() instead returns the number of > records deleted if there was any, otherwise it simply deletes nothing. > > On Tuesday, November 6, 2012 8:14:33 PM UTC+1, Cliff Kachinske wrote: >> >> This code works. Note the commented out line. >> >> for v in form.vars: >> if v[:7] == 'remove_' and form.vars[v] == 'on': >> # del db.class_users[v[7:]] >> db(db.class_users.id==v[7:]).delete() >> >> >> This code, which should be equivalent, raises the exception shown below. >> >> for v in form.vars: >> if v[:7] == 'remove_' and form.vars[v] == 'on': >> del db.class_users[v[7:]] >> >> >> Traceback (most recent call last): >> File "/home/cjk/w2p09/web2py/gluon/restricted.py", line 209, in restricted >> exec ccode in environment >> File >> "/home/cjk/w2p09/web2py/applications/Training/controllers/class_users.py" >> <http://localhost:8000/admin/default/edit/Training/controllers/class_users.py>, >> line 371, in <module> >> File "/home/cjk/w2p09/web2py/gluon/globals.py", line 186, in <lambda> >> self._caller = lambda f: f() >> File "/home/cjk/w2p09/web2py/gluon/tools.py", line 2809, in f >> return action(*a, **b) >> File >> "/home/cjk/w2p09/web2py/applications/Training/controllers/class_users.py" >> <http://localhost:8000/admin/default/edit/Training/controllers/class_users.py>, >> line 165, in list_ >> if form.process(onvalidation=do_updates).accepted: >> File "/home/cjk/w2p09/web2py/gluon/html.py", line 2108, in process >> self.validate(**kwargs) >> File "/home/cjk/w2p09/web2py/gluon/html.py", line 2055, in validate >> if self.accepts(**kwargs): >> File "/home/cjk/w2p09/web2py/gluon/html.py", line 1969, in accepts >> onvalidation(self) >> File >> "/home/cjk/w2p09/web2py/applications/Training/controllers/class_users.py" >> <http://localhost:8000/admin/default/edit/Training/controllers/class_users.py>, >> line 134, in do_updates >> del db.class_users[v[7:]] >> File "/home/cjk/w2p09/web2py/gluon/dal.py", line 7691, in __delitem__ >> raise SyntaxError, 'No such record: %s' % key >> SyntaxError: No such record: 7 >> >> --
