Re: Group by failing on Null values

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От Rosser Schwarz
Тема Re: Group by failing on Null values
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Msg-id 37d451f70407191529610a8eba@mail.gmail.com
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Ответ на Group by failing on Null values  (Caleb Simonyi-Gindele <csg@bordervet.ca>)
Ответы locks and triggers. give me an advice please
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while you weren't looking, Caleb Simonyi-Gindele <csg@bordervet.ca> wrote:

> How do I get it to produce a row even when dat_staff_code is null?

try something like

SELECT coalesce(dat_staff_code, 0)...GROUP BY dat_staff_code

That will substitute a zero for any NULL value in that column, which
GROUP BY should then pick up.

/rls

-- 
:wq


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