From: Tyler Durden <tylersticky@gmail.com>
To: pgsql-performance@postgresql.org
Subject: Re: Optimize slow query
Date: Wed, 13 Jun 2007 12:49:07 +0100
Message-ID: <ab07320e0706130449x48258f55t40ebc6521501107d@mail.gmail.com> (raw)
In-Reply-To: <ab07320e0706130441y27fa728ei5727436fa9924898@mail.gmail.com>
References: <ab07320e0706130441y27fa728ei5727436fa9924898@mail.gmail.com>
On 6/13/07, Tyler Durden <tylersticky@gmail.com> wrote:
> Hi,
> I've a table with 300 000 records and I'm trying to do a search:
>
> SELECT * FROM addresses WHERE address ILIKE '%Jean Paul%' AND
> (l_pc='4250' or r_pc='4250') AND (l_struc='O' or r_struc='O') AND
> (prenm ILIKE 'Street')
>
> It performs in 2 seconds in a dual Xeon 2.4mhz with 2Gb of RAM.
> I'm using Postgresql 8.1 on ubuntu.
> I've indexes on l_pc, r_pc, l_struc,r_struc and prenm (all btrees)
> What I'm doing wrong to have such a slow query?
>
> Thanks,
> Nuno Mariz
>
My bad!
Sorry, I've missed an index on l_struc and r_struc.
Thanks, anyway.
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To: pgsql-performance@postgresql.org
Cc: tylersticky@gmail.com
Subject: Re: Optimize slow query
In-Reply-To: <ab07320e0706130449x48258f55t40ebc6521501107d@mail.gmail.com>
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