Or you could count them on the fly: effectiveSize = db(db.groups.id==session.groupID).count()
On Saturday, March 23, 2013 8:26:07 AM UTC-4, Niphlod wrote: > > row.update_record(effectiveSize=row.effectiveSize-1) > has better chances > > On Saturday, March 23, 2013 9:25:02 AM UTC+1, Annet wrote: >> >> In defined a table with a field effectiveSize, after a user deleted a >> record from the child table >> effectiveSize should be decreased by 1, does this work? >> >> def onsuccess_related_names(form): >> row=db(db.groups.id >> ==session.groupID).select(db.groups.effectiveSize).first() >> if row: >> row.update_record(effectiveSize-=1) >> >> >> Kind regards, >> >> Annet >> > -- --- You received this message because you are subscribed to the Google Groups "web2py-users" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/groups/opt_out.
