Re: Modify the DECLARE CURSOR command tag depending on the scrollable flag
От | Boszormenyi Zoltan |
---|---|
Тема | Re: Modify the DECLARE CURSOR command tag depending on the scrollable flag |
Дата | |
Msg-id | 52970B7A.3020703@cybertec.at обсуждение исходный текст |
Ответ на | Re: Modify the DECLARE CURSOR command tag depending on the scrollable flag (Michael Meskes <meskes@postgresql.org>) |
Список | pgsql-hackers |
2013-11-28 09:55 keltezéssel, Michael Meskes írta: > On Thu, Nov 28, 2013 at 09:04:17AM +0100, Boszormenyi Zoltan wrote: >>>> Well, technically, unspecified means NO SCROLL according to the SQL >>>> standard. A lot of applications in ECPG are ported from other systems, > That means by automatically adding a literal NO SCROLL to the command we obey > standard, right? That's fine by me. > >>> behavior applies, but it might break existing apps that were unknowingly >>> relying on a simple cursor being scrollable. OTOH any such app would be >>> subject to breakage anyway as a result of planner changes, so it's hard to >>> complain against this, as long as it's happening in a major version >>> update. > Ported applications might be in the same boat. I'm not sure if all other DBMSs > stick with the standard if nothing is specified. So again, adding it might help > make it clearer. > >> Anyway, is explicitly adding NO SCROLL the preferred solution for everyone? > +1 from me. Thanks, I will rework the patches this way. > > Michael -- ---------------------------------- Zoltán Böszörményi Cybertec Schönig & Schönig GmbH Gröhrmühlgasse 26 A-2700 Wiener Neustadt, Austria Web: http://www.postgresql-support.de http://www.postgresql.at/
В списке pgsql-hackers по дате отправления: