Re: aggregate functions are not allowed in UPDATE

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От David G. Johnston
Тема Re: aggregate functions are not allowed in UPDATE
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Msg-id CAKFQuwZBstZizu2rEuB+ML5td2XqYNFMd_StGkaKQ5wCp+rB1A@mail.gmail.com
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Ответ на Re: aggregate functions are not allowed in UPDATE  (Alexander Farber <alexander.farber@gmail.com>)
Ответы Re: aggregate functions are not allowed in UPDATE  (Alexander Farber <alexander.farber@gmail.com>)
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On Tue, Jan 15, 2019 at 9:52 AM Alexander Farber
<alexander.farber@gmail.com> wrote:
>> So calculate the average somewhere else, put the result in a column,
>> and then reference that column in the SET clause.
>>
>
> do you suggest to add a second CTE?

That would qualify as "somewhere else" - as would a simple subquery in FROM.

David J.


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