Re: partitioned table and ORDER BY indexed_field DESC LIMIT 1
От | Luke Lonergan |
---|---|
Тема | Re: partitioned table and ORDER BY indexed_field DESC LIMIT 1 |
Дата | |
Msg-id | C3E62232E3BCF24CBA20D72BFDCB6BF8044A24A1@MI8NYCMAIL08.Mi8.com обсуждение исходный текст |
Ответы |
Re: partitioned table and ORDER BY indexed_field DESC
LIMIT 1
Re: partitioned table and ORDER BY indexed_field DESC LIMIT 1 |
Список | pgsql-performance |
And I repeat - 'we fixed that and submitted a patch' - you can find it in the unapplied patches queue.
The patch isn't ready for application, but someone can quickly implement it I'd expect.
- Luke
Msg is shrt cuz m on ma treo
-----Original Message-----
From: Heikki Linnakangas [mailto:heikki@enterprisedb.com]
Sent: Saturday, October 27, 2007 05:20 AM Eastern Standard Time
To: Anton
Cc: pgsql-performance@postgresql.org
Subject: Re: [PERFORM] partitioned table and ORDER BY indexed_field DESC LIMIT 1
Anton wrote:
> I repost here my original question "Why it no uses indexes?" (on
> partitioned table and ORDER BY indexed_field DESC LIMIT 1), if you
> mean that you miss this discussion.
As I said back then:
The planner isn't smart enough to push the "ORDER BY ... LIMIT ..."
below the append node.
--
Heikki Linnakangas
EnterpriseDB http://www.enterprisedb.com
---------------------------(end of broadcast)---------------------------
TIP 5: don't forget to increase your free space map settings
В списке pgsql-performance по дате отправления: