Re: non-recursive WITH clause support
| От | Bruce Momjian |
|---|---|
| Тема | Re: non-recursive WITH clause support |
| Дата | |
| Msg-id | 200704270102.l3R12Fe19759@momjian.us обсуждение исходный текст |
| Ответ на | Re: non-recursive WITH clause support (Gregory Stark <stark@enterprisedb.com>) |
| Список | pgsql-patches |
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Gregory Stark wrote:
> "David Fetter" <david@fetter.org> writes:
>
> > On Mon, Apr 09, 2007 at 06:43:08PM -0400, Tom Lane wrote:
> >
> >> So this does not really add any new functionality, it's just variant
> >> syntax for something you can do about as easily without it, right?
> >
> > Not totally as easily. For example, you can do some kinds of
> > aggregation with a few fewer keystrokes.
>
> I think "fewer keystrokes" is exactly what Tom meant by a variant syntax
> without new functionality. That's an accurate description.
>
> I suppose it depends in part on how important we think it is to add variant
> syntaxes just because they're blessed by the ANSI standard. If this were a
> syntax we were creating just for our user's convenience it would be a pretty
> weak justification for an incompatibility. But if there are users who expect
> this syntax to work because it's standard then it could be considered an
> omission in our standards compliance.
>
> I'm actually not too sure what the answer is. I hadn't heard of it before the
> discussion about recursive queries myself.
>
> --
> Gregory Stark
> EnterpriseDB http://www.enterprisedb.com
>
>
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--
Bruce Momjian <bruce@momjian.us> http://momjian.us
EnterpriseDB http://www.enterprisedb.com
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