On Tuesday, June 23, 2015 at 11:52:17 AM UTC-7, Niphlod wrote: > > although not in the book, epoch() is a method of a datetime field. > > http://pydal.readthedocs.org/en/latest/_modules/pydal/objects.html#Expression.epoch >
Thanks for the pointer. There is interesting stuff to explore there. > > That being said, if I got the requirements properly, which is to craft a > select on a datetime field for anything comprised from 5 minutes ago and > now, I don't get the intricacies... > > (db.table.field < request.now) & (db.table.field > request.now + > datetime.timedelta(minutes=5)) > > doing something like the requirement strictly on a time field (i.e. > missing the "date" part) doesn't make any sense on the behalf of date > arithmetics: the only exception would be any run in the 23:55 to 00:00 > frame, which you can account with the simplest of the if statement. Don't > overcomplicate a simple requirement. > Yes , datetime.timedelta() is a Good Thing (tm). The entire datetime library module is a Good Thing (tm). As an excuse, I offer that I was distracted by looking up "epoch". /dps -- Resources: - http://web2py.com - http://web2py.com/book (Documentation) - http://github.com/web2py/web2py (Source code) - https://code.google.com/p/web2py/issues/list (Report Issues) --- 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 web2py+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
