On Thu, Oct 7, 2010 at 7:34 AM, Pavel Stehule <pavel.steh...@gmail.com> wrote: > 2010/10/7 Robert Haas <robertmh...@gmail.com>: >> On Thu, Oct 7, 2010 at 2:38 AM, Pavel Stehule <pavel.steh...@gmail.com> >> wrote: >>> 2010/10/7 Robert Haas <robertmh...@gmail.com>: >>>> On Mon, Oct 4, 2010 at 2:52 AM, Pavel Stehule <pavel.steh...@gmail.com> >>>> wrote: >>>>> I am thinking so you can remove a "scrollable cursor support" from >>>>> ToDo for plpgsql. Scrollable cursors are supported and supported >>>>> syntax are same as core SQL language. >>>> >>>> I agree, removed. I also removed WITH HOLD cursors, which we seem to >>>> have as well. >>> >>> I think so we doesn't support WITH HOLD cursor syntax yet. Maybe we >>> have similar functionality. Don't know. >> >> It's in the documentation... >> >> http://www.postgresql.org/docs/current/static/sql-declare.html > > can be - but it isn't supported by plpgsql. This is similar to > scrollable cursors - SQL supported it some years, but plpgsql allowed > it only two years. The minimal necessary change is relative simple > plpgsql's parser update - but I don't know if there isn't other > issues. > > see > http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/pl/plpgsql/src/gram.y.diff?r1=1.99&r2=1.100
I think the issue there may be that the execution of the function is wrapped in a transaction anyway, so it's not really clear what WITH HOLD would do for you. Now, if we could decouple those things... THAT would be exciting, for a lot more reasons than just this. -- Robert Haas EnterpriseDB: http://www.enterprisedb.com The Enterprise Postgres Company -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers