Dave Johansen <[email protected]> writes:
> On Fri, May 22, 2015 at 3:42 PM, Tom Lane <[email protected]> wrote:
>> What PG version are you using? 9.1 or newer should know how to do this
>> with a merge append of several indexscans.
> Sorry, I should have mentioned that in the original email. I'm using 8.4.20
> on RHEL 6. From your reply, it sounds like this is the expected behavior
> for 8.4 and 9.0. Is that the case?
Yeah, pre-9.1 is not very bright about that. You could factor the query
manually, perhaps, though it's surely a pain in the neck.
regards, tom lane
--
Sent via pgsql-performance mailing list ([email protected])
To make changes to your subscription:
http://www.postgresql.org/mailpref/pgsql-performance
