Re: generate_series from now to infinity...

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От Robert Haas
Тема Re: generate_series from now to infinity...
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Msg-id 0A5E0082-1745-4AAB-98B5-E8DD132866C3@gmail.com
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Ответ на Re: generate_series from now to infinity...  (Brendan Jurd <direvus@gmail.com>)
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On May 16, 2009, at 11:58 PM, Brendan Jurd <direvus@gmail.com> wrote:

> On Sun, May 17, 2009 at 1:40 PM, Tom Lane <tgl@sss.pgh.pa.us> wrote:
>> "Dickson S. Guedes" <listas@guedesoft.net> writes:
>>> Is a simple "SELECT generate_series(now(), CAST('infinity'::date AS
>>> timestamp), interval '1 hour');" working forever, an expected
>>> behavior?
>>
>> Uh, what were you expecting it to do?
>
> It appears that any generate_series involving infinity is guaranteed  
> to fail.
>
> That being the case, wouldn't it be more useful to throw an error than
> to just keep on running until overflow?

What if it were combined with LIMIT?

...Robert


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