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From: sad <sad@bankir.ru>
To: Gregory S. Williamson <gsw@globexplorer.com>
To: pgsql-sql@postgresql.org
Subject: Re: feature request ?
Date: Thu, 24 Jun 2004 11:04:15 +0400
Message-ID: <200406241104.15265.sad@bankir.ru> (raw)
In-Reply-To: <71E37EF6B7DCC1499CEA0316A256832801057B7C@loki.wc.globexplorer.net>
References: <71E37EF6B7DCC1499CEA0316A256832801057B7C@loki.wc.globexplorer.net>

> I don't see what your point is. That SQL is wrong ? Or that SQL is not "C"
> ? Or that SQL is not a "programming language" ?

Who said wrong ? who said SQL ?

I thougth _WHY_ 
the IF control structure has exactly two alternate blocks ?
a BOOLEAN expression has exactly two possible values, that's why !

Well
in plpgsql we have tri-valued BOOL 

Every programmer asks "how a NULL value treated?"
Now you treat NULLs as false. That's your point, but why ?





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