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From: Josh Berkus <josh@agliodbs.com>
Reply-To: josh@agliodbs.com
Organization: Aglio Database Solutions
To: Dan Langille <dan@langille.org>, pgsql-sql@postgresql.org
Subject: Re: Removing simliar elements from a set
Date: Fri, 26 Sep 2003 16:55:13 -0700
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Dan,=20

> I'm trying to remove items from a set which are similar to items in
> another set.
<snip>

> In short, we remove all items from MASTER which are under the directories
> specified in MATCHES.

from your example, you are trying to remove all directories which do *not*=
=20
match.   What do you want, exactly?

--=20
-Josh Berkus
 Aglio Database Solutions
 San Francisco