From: Tomasz Myrta <jasiek@klaster.net>
To: ries@jongert.nl
Cc: pgsql-sql@postgresql.org
Subject: Re: is this explain good or bad???
Date: Fri, 19 Sep 2003 08:51:50 +0200
Message-ID: <3F6AA786.1080404@klaster.net> (raw)
In-Reply-To: <002b01c37e77$e65b7fb0$fd01000a@IT001>
References: <002b01c37e77$e65b7fb0$fd01000a@IT001>
> explain select count(*) from sq_logfile;
Not too helpful.
Better choice is:
explain analyze select * from sq_logfile;
Your explains show that selecting from view is 4 times slower than
selecting from a table (35988:128282). It is possible.
Anyway counting 1 million rows usualy takes a long time...
Regards,
Tomasz Myrta
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To: pgsql-sql@postgresql.org
Cc: jasiek@klaster.net, ries@jongert.nl
Subject: Re: is this explain good or bad???
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