Re: PostgreSQL 9.1 : why is this query slow?

From: Tomas Vondra <tv(at)fuzzy(dot)cz>
To: pgsql-performance(at)postgresql(dot)org
Subject: Re: PostgreSQL 9.1 : why is this query slow?
Date: 2011-11-28 19:32:20
Message-ID: 4ED3E1C4.2050403@fuzzy.cz
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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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