Re: Effect of large text field data on queries

From: Alan Hodgson <ahodgson(at)simkin(dot)ca>
To: pgsql-general(at)postgresql(dot)org
Subject: Re: Effect of large text field data on queries
Date: 2006-10-26 20:36:08
Message-ID: 200610261336.09011@hal.medialogik.com
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On Thursday 26 October 2006 12:51, Glen Parker <glenebob(at)nwlink(dot)com> wrote:
> Why would very large text values effect the speed of a seq scan that
> does not actually evaluate those values?

Seq scan reads the whole table. The limiting factor is the size of the
table on disk.

--
"If a nation expects to be ignorant and free, in a state of civilization,
it expects what never was and never will be." -- Thomas Jefferson

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