Re: When is a record NULL?

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От Greg Stark
Тема Re: When is a record NULL?
Дата
Msg-id 407d949e0907231821y79028370h848aa23da2763dfe@mail.gmail.com
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Ответ на Re: When is a record NULL?  ("David E. Wheeler" <david@kineticode.com>)
Ответы Re: When is a record NULL?  ("David E. Wheeler" <david@kineticode.com>)
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On Fri, Jul 24, 2009 at 1:32 AM, David E. Wheeler<david@kineticode.com> wrote:
> On Jul 23, 2009, at 4:22 PM, Tom Lane wrote:
>
>> Dunno how you can possibly come to that conclusion.  Those row
>> values are certainly distinct (according to both PG and the spec).
>
> Are they not both null?

Isn't that just what you were complaining about not being the case:

On Thu, Jul 23, 2009 at 11:29 PM, David E. Wheeler<david@kineticode.com> wrote:
>   try=# select ROW(1, NULL) IS NULL;
>    ?column?
>   ----------
>    f
>   (1 row)

--
greg
http://mit.edu/~gsstark/resume.pdf


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