From: Tomas Vondra <tv@fuzzy.cz>
To: pgsql-performance@postgresql.org
Subject: Re: PostgreSQL 9.1 : why is this query slow?
Date: Mon, 28 Nov 2011 20:32:20 +0100
Message-ID: <4ED3E1C4.2050403@fuzzy.cz> (raw)
In-Reply-To: <1322498526.3343.22.camel@panoramix.Askesis.nl>
References: <1322498526.3343.22.camel@panoramix.Askesis.nl>
On 28.11.2011 17:42, Joost Kraaijeveld wrote:
> - Why does explain say it takes "7876150720 rows"?
Any idea where this number came from? No matter what I do, the nested
loop row estimates are alway very close to the product of the two
estimates (outer rows * inner rows).
Tomas
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To: pgsql-performance@postgresql.org
Cc: tv@fuzzy.cz
Subject: Re: PostgreSQL 9.1 : why is this query slow?
In-Reply-To: <4ED3E1C4.2050403@fuzzy.cz>
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