Re: plpgsql : adding record variable to table

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От Pavel Stehule
Тема Re: plpgsql : adding record variable to table
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Msg-id CAFj8pRBGMOia4L9-GxHYMnwRBEJBzT=xvUVdnRnmh8XXq-2SVg@mail.gmail.com
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Ответ на plpgsql : adding record variable to table  (thomas veymont <thomas.veymont@gmail.com>)
Ответы Re: plpgsql : adding record variable to table  (thomas veymont <thomas.veymont@gmail.com>)
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Hello

please try:

postgres=# create or replace function foo()
returns void as $$
declare r x;
begin for r in select * from x loop   insert into y values(r.*); end loop;
end;
$$ language plpgsql;

Regards

Pavel

2012/4/18 thomas veymont <thomas.veymont@gmail.com>:
> (sorry my previous email was truncated)
>
> hi,
>
> Here is what I want to do :
>
> I want to check each row of a table against some conditions (this
> check needs some
> processing stuff I can easily code with pl/pgsql).
>
> If the row is OK, I want to add it in a "resulting table",
> else I just ignore the current row and go to next one.
>
> My function looks like this : (simplified)
>
> FUNCTION myfunction (...)  RETURNS TABLE ( elem1 , elem2, elem3 ...)
> DECLARE
>   g RECORD
> BEGIN
>  FOR g in SELECT colum1, column2, ... FROM someTable
>   LOOP
>      -- do some processing on "g", then decide wheter I want to
> select it or not
>     IF (g is selected) THEN >>add g to resulting_table<<
>   END LOOP
>  RETURN resulting_table
>
> How should I write the "add g to resulting table" part ?
>
> thanks,
> Tom
>
> --
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