2009/6/11 hubert depesz lubaczewski <depesz@xxxxxxxxxx>: > On Thu, Jun 11, 2009 at 12:45:56PM +0200, Pavel Stehule wrote: >> generally - modification of cycle's control variable isn't good >> technique, because it's should be broken by some optimizations. When > > i would argue then that these optimizations are broken, then. > >> you would to modify this some variables, then use "while-loop" >> instead. > > while technically possible, i find for loops much more straight forward, > and clearer to understand. > sure, forloop is clean, but not when you do some alchemy with control variables. When you need increase step, then use BY clause. But I thing, so it's easy protect users by marking control variables as read only variable. regards Pavel Stehule > Best regards, > > depesz > > -- > Linkedin: http://www.linkedin.com/in/depesz / blog: http://www.depesz.com/ > jid/gtalk: depesz@xxxxxxxxxx / aim:depeszhdl / skype:depesz_hdl / gg:6749007 > -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general
