Re: Optimization rules for semi and anti joins

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: David Fetter <david(at)fetter(dot)org>
Cc: "Jonah H(dot) Harris" <jonah(dot)harris(at)gmail(dot)com>, pgsql-hackers(at)postgresql(dot)org
Subject: Re: Optimization rules for semi and anti joins
Date: 2009-02-11 17:10:42
Message-ID: 11098.1234372242@sss.pgh.pa.us
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David Fetter <david(at)fetter(dot)org> writes:
> On Wed, Feb 11, 2009 at 09:36:38AM -0500, Jonah H. Harris wrote:
>> Secondly, I don't believe there's any restriction of explicitly what
>> can and cannot be posted on a public Postgres mailing list.

> We have plenty of such restrictions. Take the Nazi spammer, for
> example, and what he's doing is just offensive and silly.

My take on the Nazi spammer is that we're banning him because he's
off-topic for these lists. We'd ban someone spamming on a less
offensive topic too, as long as it was unrelated to Postgres.

Unfortunately, while software patents are pretty offensive, they can
hardly be said to be off-topic.

regards, tom lane

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