From: Josh Berkus <josh@agliodbs.com>
To: pgsql-sql@postgresql.org
Subject: BOOLEAN question
Date: Mon, 28 Oct 2002 18:06:39 -0700
Message-ID: <200210281706.39015.josh@agliodbs.com> (raw)
Folks,
Odd question: I have a query that returns a set of none to several rows. One
column in these rows is BOOLEAN. I want the query to return:
1) TRUE if *any* of the BOOLEAN values is TRUE;
2) FALSE if *all* of the BOOLEAN values are FALSE;
3) FALSE or NULL if no rows are returned.
I thought that I could do this through a MAX(boolean), but as it turns out,
MAX(boolean) has not been defined in the standard 7.2.3. distro. I could
define MAX(boolean), but I'm wondering if I'm missing something obvious.
--
-Josh Berkus
Aglio Database Solutions
San Francisco
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Cc: josh@agliodbs.com
Subject: Re: BOOLEAN question
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