From: Enrico Weigelt <weigelt@metux.de>
To: postgresql performance list <pgsql-performance@postgresql.org>
Subject: index not used
Date: Thu, 21 Apr 2005 21:05:44 +0200
Message-ID: <20050421190543.GA16548@nibiru.borg.metux.de> (raw)
Hi folks,
I'm doing a simple lookup in a small table by an unique id, and I'm
wondering, why explains tells me seqscan is used instead the key.
The table looks like:
id bigint primary key,
a varchar,
b varchar,
c varchar
and I'm quering: select * from foo where id = 2;
I've got only 15 records in this table, but I wanna have it as
fast as possible since its used (as a map between IDs and names)
for larger queries.
thx
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To: pgsql-performance@postgresql.org
Cc: weigelt@metux.de
Subject: Re: index not used
In-Reply-To: <20050421190543.GA16548@nibiru.borg.metux.de>
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