From: | Joe Conway <mail(at)joeconway(dot)com> |
---|---|
To: | Tom Lane <tgl(at)postgresql(dot)org> |
Cc: | pgsql-committers(at)postgresql(dot)org |
Subject: | Re: pgsql-server/ ontrib/tablefunc/tablefunc.c rc/ ... |
Date: | 2003-03-09 02:49:12 |
Message-ID: | 3E6AABA8.3090609@joeconway.com |
Views: | Raw Message | Whole Thread | Download mbox | Resend email |
Thread: | |
Lists: | pgsql-committers |
Tom Lane wrote:
> Log message:
> Revise tuplestore and nodeMaterial so that we don't have to read the
> entire contents of the subplan into the tuplestore before we can return
> any tuples. Instead, the tuplestore holds what we've already read, and
> we fetch additional rows from the subplan as needed. Random access to
> the previously-read rows works with the tuplestore, and doesn't affect
> the state of the partially-read subplan. This is a step towards fixing
> the problems with cursors over complex queries --- we don't want to
> stick in Materialize nodes if they'll prevent quick startup for a cursor.
>
So if I understand this correctly, tuplestore_donestoring() is not used
anymore (and doen't even exist)? Anything else changed in tuplestore
behavior? I have to update PL/R also for this.
Thanks,
Joe
From | Date | Subject | |
---|---|---|---|
Next Message | Tom Lane | 2003-03-09 02:56:22 | Re: pgsql-server/ ontrib/tablefunc/tablefunc.c rc/ ... |
Previous Message | Tom Lane | 2003-03-09 02:19:14 | pgsql-server/ ontrib/tablefunc/tablefunc.c rc/ ... |