From: Stephan Szabo <sszabo@megazone23.bigpanda.com>
To: Daryl Herzmann <akrherz@iitap.iastate.edu>
Cc: pgsql-sql@postgresql.org
Subject: Re: Queries not using Index
Date: Tue, 23 Jul 2002 08:05:59 -0700 (PDT)
Message-ID: <20020723080457.V24800-100000@megazone23.bigpanda.com> (raw)
In-Reply-To: <Pine.LNX.4.44.0207221505070.6373-100000@pass.physics.iastate.edu>
On Mon, 22 Jul 2002, Daryl Herzmann wrote:
> snet=# explain SELECT * from t2002_06 WHERE station = 'SGLI4';
> NOTICE: QUERY PLAN:
>
> Seq Scan on t2002_06 (cost=0.00..35379.69 rows=35564 width=47)
>
> EXPLAIN
What does explain show if you do set enable_seqscan=off;
?
It's possible that it's estimating a greater cost for the index scan.
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To: pgsql-sql@postgresql.org
Cc: sszabo@megazone23.bigpanda.com, akrherz@iitap.iastate.edu
Subject: Re: Queries not using Index
In-Reply-To: <20020723080457.V24800-100000@megazone23.bigpanda.com>
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