From: Tom Lane <tgl@sss.pgh.pa.us>
To: Jie Liang <jliang@ipinc.com>
Cc: pgsql-sql@postgresql.org
Cc: pgsql-admin@postgresql.org
Subject: Re: [SQL] Re: need urgent help
Date: Sun, 17 Jun 2001 18:20:08 -0400
Message-ID: <12208.992816408@sss.pgh.pa.us> (raw)
In-Reply-To: <Pine.BSF.4.10.10106171451560.95993-100000@tidal.ipinc.com>
References: <Pine.BSF.4.10.10106171451560.95993-100000@tidal.ipinc.com>
Jie Liang <jliang@ipinc.com> writes:
> I vacuumed urlinfo already.
VACUUM ANALYZE, or just VACUUM?
> urlinfo_pkey is primary key (id), urlinfo_ukey is unique key (url)
> when I:
> SELECT id FROM urlinfo WHERE url='http://*.yahoo.com';;
> It seems taking me longer than before.
What does EXPLAIN say about it?
regards, tom lane
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To: pgsql-sql@postgresql.org
Cc: tgl@sss.pgh.pa.us, jliang@ipinc.com, pgsql-admin@postgresql.org
Subject: Re: [SQL] Re: need urgent help
In-Reply-To: <12208.992816408@sss.pgh.pa.us>
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