You can't manage what you want to achieve with join? Richard
On Thu, May 10, 2012 at 10:48 AM, szimszon <szims...@gmail.com> wrote: > Sorry for my dumbness but if something is wrong with my code please point > me the right line. I'm not so good in English if it comes to "object > instance count" and so. Yeah I know I should go and do some milkmaid job :) > but I'm curious. > > I'm just define some variable: > > lista = list() > last_row = None > next_page_number = 0 > > Go in a for loop that just assign the db query result one-by-one to row > variable. > > After that I assign the TABLE() helper to a list variable. That is it. > > > > 2012. május 10., csütörtök 16:34:49 UTC+2 időpontban Bruce Wade a > következőt írta: > >> Using direct sql query or DAL is going to cause the exact same problem in >> this situation. >> >> On Thu, May 10, 2012 at 7:28 AM, szimszon <szims...@gmail.com> wrote: >> >>> It's postgres:// in a >>> Version 1.99.7 (2012-04-23 11:26:23) dev of web2py, and >>> >>> Python 2.7.3 (default, Apr 20 2012, 22:44:07) >>> [GCC 4.6.3] on linux2 >>> >>> python-psycopg2 2.4.5-1 >>> >>> >>> 2012. május 10., csütörtök 15:40:36 UTC+2 időpontban rochacbruno a >>> következőt írta: >>> >>>> Just for curiosity, what happens if you do it in pure sql? >>>> >>>> >>>> for row in db.executesql("**sele**ct * from file_properties where id > >>>> 0"): >>>> >>>> # do something >>>> >>>> >>>> Does it have a lower memory usage? >>>> >>>> >>>> On Thu, May 10, 2012 at 4:14 AM, Bruce Wade < <bruce.w...@gmail.com>>wrote: >>>> >>>>> for row in db( db.file_**propert**ies.id > 0 ).select( >>>> >>>> >>>> >>>> >>>> -- >>>> >>>> Bruno Rocha >>>> [http://rochacbruno.com.br] >>>> >>>> >> >> >> -- >> -- >> Regards, >> Bruce Wade >> http://ca.linkedin.com/in/**brucelwade<http://ca.linkedin.com/in/brucelwade> >> http://www.wadecybertech.com >> http://www.fittraineronline.**com <http://www.fittraineronline.com> - >> Fitness Personal Trainers Online >> http://www.warplydesigned.com >> >>