Re: Select max(primary_key) taking a long time

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Francisco Reyes <lists(at)stringsutils(dot)com>
Cc: PostgreSQL general <pgsql-general(at)postgresql(dot)org>
Subject: Re: Select max(primary_key) taking a long time
Date: 2010-05-21 15:27:41
Message-ID: 19953.1274455661@sss.pgh.pa.us
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Francisco Reyes <lists(at)stringsutils(dot)com> writes:
> I am trying to do
> select max(primary_key) from some_table;

Are there a whole lot of nulls in that column?

regards, tom lane

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