Re: [SQL] Backend closes caused by query on a view?!

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От Bruce Momjian
Тема Re: [SQL] Backend closes caused by query on a view?!
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Msg-id 199903131606.LAA10029@candle.pha.pa.us
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Ответ на Backend closes caused by query on a view?!  ("Viktor A." <a2891891@smail.Uni-Koeln.DE>)
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> Hi!
>
> Can anybody tell me, what I'm doing so wrong,
> that the backend needs to close the connection?
> I've got a view that gives me a total of costs for
> each day, which looks like this:
>
>   create view view_test AS
>   select date(datum_zeit),sum(betrag) AS "summe"
>   from anrufe_isdn where richtung='True'
>   AND date(datum_zeit)>date(timemi(now() ::datetime, '30 day' ::timespan))
>   group by date(datum_zeit);

We have some problems with aggregates in views, I think.

The TODO list says:

    * views containing aggregates sometimes fail(Jan)

--
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