Re: [PATCHES] Function's LEAST, GREATEST and DECODE (Oracle vararg polymorphic functions)

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: "John Hansen" <john(at)geeknet(dot)com(dot)au>
Cc: "Pavel Stehule" <stehule(at)kix(dot)fsv(dot)cvut(dot)cz>, pgsql-hackers(at)postgresql(dot)org
Subject: Re: [PATCHES] Function's LEAST, GREATEST and DECODE (Oracle vararg polymorphic functions)
Date: 2005-06-24 15:53:53
Message-ID: 7872.1119628433@sss.pgh.pa.us
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"John Hansen" <john(at)geeknet(dot)com(dot)au> writes:
> I'd vote that these functions should follow the semantics of the <, and
>> operators.
> (NULL < x) is NULL;

Well, that's a fair analogy, but then so is the analogy to MAX/MIN ...
so it seems about a wash to me.

regards, tom lane

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