| From: | Alban Hertroys <alban(at)magproductions(dot)nl> |
|---|---|
| To: | Alban Hertroys <alban(at)magproductions(dot)nl> |
| Cc: | Postgres General <pgsql-general(at)postgresql(dot)org> |
| Subject: | Re: A slow query |
| Date: | 2006-06-13 13:33:34 |
| Message-ID: | 448EBEAE.1080200@magproductions.nl |
| Views: | Whole Thread | Raw Message | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-general |
Alban Hertroys wrote:
> Hi all,
>
> We're using some 3rd party product that uses inheritence, and the
> following query is rather slow on PostgreSQL 7.4.7 (debian stable). Any
> suggestions how to speed it up?
A few more datapoints:
- Database was vacuum full analyzed just before the query.
- The same query on mm_insrel takes just over 11s.
- The actual and estimated row numbers are accurate.
--
Alban Hertroys
alban(at)magproductions(dot)nl
magproductions b.v.
T: ++31(0)534346874
F: ++31(0)534346876
M:
I: www.magproductions.nl
A: Postbus 416
7500 AK Enschede
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