-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Tom Lane
[ fools around with it for awhile... ] I think this is already fixed
for 8.2.1. Note the costs of the two related index scans:
I installed 8.2.1 this morning and it works much better. The
Dave Dutcher [EMAIL PROTECTED] writes:
I am looking at upgrading from 8.1.2 to 8.2.0, and I've found a query which
runs a lot slower.
Um ... what indexes has this table got exactly? It's very unclear what
alternatives the planner is being faced with.
regards, tom lane
:32 PM
To: pgsql-performance@postgresql.org
Subject: [PERFORM] Slow Query on Postgres 8.2
Hello,
I am looking at upgrading from 8.1.2 to 8.2.0, and I've found a query
which runs a lot slower. Here is the query:
select type, currency_id, instrument_id, sum(amount) as total_amount
from
-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Tom Lane
Um ... what indexes has this table got exactly? It's very
unclear what
alternatives the planner is being faced with.
Here is the table definition. Thanks.
the
compairison is still valid.
-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Adam Rich
Sent: Thursday, January 04, 2007 7:19 PM
To: 'Dave Dutcher'; pgsql-performance@postgresql.org
Subject: Re: [PERFORM] Slow Query on Postgres 8.2
Dave,
Is it me
Dave Dutcher [EMAIL PROTECTED] writes:
Here is the table definition. Thanks.
[ fools around with it for awhile... ] I think this is already fixed
for 8.2.1. Note the costs of the two related index scans:
8.2.0:
- Bitmap Index Scan on om_transaction_om_transaction_index
