Re: How to get FK to use new index without restarting the database

From: "Eric Comeau" <Eric(dot)Comeau(at)signiant(dot)com>
To: "Tom Lane" <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: <pgsql-performance(at)postgresql(dot)org>
Subject: Re: How to get FK to use new index without restarting the database
Date: 2010-12-16 16:46:26
Message-ID: 35FABCF85D99464FB00BC5123DC2A70A0BC2CF36@s228130hz1ew09.apptix-01.savvis.net
Views: Raw Message | Whole Thread | Download mbox | Resend email
Thread:
Lists: pgsql-performance

On 10-12-16 11:27 AM, Tom Lane wrote:

Eric Comeau <ecomeau(at)signiant(dot)com> <mailto:ecomeau(at)signiant(dot)com> writes:
> Is there a way force the db to re-evaluate its execution plan for a FK
> without bouncing the DB?

> PostgreSQL 8.1.17

You don't need to bounce the whole DB, but you will need to start fresh
sessions. We didn't add automatic invalidation of those plans until 8.3.

regards, tom lane

We confirmed that disconnecting and reconnecting resolves the issue.

Thanks to all that helped.

Eric

In response to

Browse pgsql-performance by date

  From Date Subject
Next Message Mladen Gogala 2010-12-16 19:27:08 Re: Index Bloat - how to tell?
Previous Message Tom Lane 2010-12-16 16:27:54 Re: How to get FK to use new index without restarting the database