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Re: Using "LIMIT" is much faster even though, searching with PK.

From:	Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To:	장현성 <siche(at)siche(dot)net>
Cc:	pgsql-performance(at)postgresql(dot)org
Subject:	Re: Using "LIMIT" is much faster even though, searching with PK.
Date:	2004-12-01 04:26:11
Message-ID:	1390.1101875171@sss.pgh.pa.us
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=?UTF-8?B?7J6l7ZiE7ISx?= <siche(at)siche(dot)net> writes:
> but, sequence scan, as you see above result, there is big time
> difference between using LIMIT and without using it.

You've got a table full of dead rows. Try VACUUM FULL ...

regards, tom lane

In response to

Using "LIMIT" is much faster even though, searching with PK. at 2004-12-01 04:10:27 from 장현성

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Re: Using "LIMIT" is much faster even though, searching at 2004-12-01 04:38:40 from Hyun-Sung, Jang

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