Boszormenyi Zoltan <z...@cybertec.at> writes: > 2013-11-23 22:01 keltezéssel, Tom Lane írta: >> Boszormenyi Zoltan <z...@cybertec.at> writes: >>> Attached is the patch that modified the command tag returned by >>> the DECLARE CURSOR command. It returns "DECLARE SCROLL CURSOR" >>> or "DECLARE NO SCROLL CURSOR" depending on the cursor's >>> scrollable flag that can be determined internally even if neither is >>> asked explicitly.
>> This does not strike me as an acceptable change. It will break any code >> that's expecting the existing command tag, for little or no benefit >> to most applications. Even if backwards compatibility were of no concern, >> I'm not convinced it's a good thing to expose the backend's internal >> choices about query plans used for cursors, which is what this is >> basically doing. > I saw code in the backend allowing a cursor to be scrollable, although > it was not declared as such. How about ripping that out? That also fails the unnecessary-backwards-compatibility-break test. regards, tom lane -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers