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RE: comparing rows

From: Don Baccus <dhogaza(at)pacifier(dot)com>
To: Magnus Hagander <mha(at)sollentuna(dot)net>, "'Tom Lane'" <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Tatsuo Ishii <t-ishii(at)sra(dot)co(dot)jp>
Cc: pgsql-hackers(at)postgresql(dot)org
Subject: RE: comparing rows
Date: 2000-08-03 13:22:10
Message-ID: 3.0.1.32.20000803062210.014e04f0@mail.pacifier.com (view raw or flat)
Thread:
Lists: pgsql-hackers
At 10:15 AM 8/3/00 +0200, Magnus Hagander wrote:

>Isn't it just plain *wrong* to state that null = null? After all, NULL is
>unknown, and is not equal to anything, no?

According to the standard, yes, it is wrong.  

>Perhaps it would be more correct for postgresql to provide an option for
>"non-ANSI null handling" as well? And leaving ANSI compliant handling as the
>default?

I would think so.  



- Don Baccus, Portland OR <dhogaza(at)pacifier(dot)com>
  Nature photos, on-line guides, Pacific Northwest
  Rare Bird Alert Service and other goodies at
  http://donb.photo.net.

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Subject: Re: comparing rows
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