Re: NULL in arrays

From: Joe Conway <mail(at)joeconway(dot)com>
To: Dennis Bjorklund <db(at)zigo(dot)dhs(dot)org>
Cc: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, pgsql-bugs(at)postgresql(dot)org
Subject: Re: NULL in arrays
Date: 2004-01-15 21:36:20
Message-ID: 400707D4.9000204@joeconway.com
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Dennis Bjorklund wrote:
> On Thu, 15 Jan 2004, Joe Conway wrote:
>>Additionally, this behavior was discussed during the 7.4 development and
>>beta cycles on at least a couple occassions -- that would have been the
>>time to complain, not now.
>
> Well, I will complain whenever I see something I don't like :-)

No issue with that, I just like to encourage more, ahem, timely feedback
whenever possible ;-).

> In the documentation I got the impression that NULL values inside an array
> was not allowed. Now I know that you are allowed to form such an
> expression and that it evaluates to the NULL array. The documentation
> should be fixed then (or maybe it is documented buy i've not seen it).

I agree, and see Tom does too in a nearby post. Do you want to propose
some wording, or just leave it up to me?

Joe

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