Re: Query and the number of row result

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От Tim Landscheidt
Тема Re: Query and the number of row result
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Msg-id m38wgz7wb8.fsf@passepartout.tim-landscheidt.de
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Ответ на Re: Query and the number of row result  ("Naoko Reeves" <naoko@lawlogix.com>)
Ответы Re: Query and the number of row result
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bilal ghayyad <bilmar_gh@yahoo.com> wrote:

> I am talking in case I am writing a script for a function,
> and I need to know the number of the returned rows of the
> query, then I will do IF statement based on that number,
> how?
> [...]

Presuming that you are talking about a function written in
PL/pgSQL, you will have to count them yourself or issue a
second query "SELECT COUNT(*) FROM [...]". For the special
case that you want to find out whether no row at all was
found, you can look at "IF (NOT) FOUND".

Tim

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