Re: Selecting from a function(x,y) returning a row-type(sum, prod)

am  Mon, dem 30.04.2007, um 15:45:18 +0200 mailte Heiko Klein folgendes:
> Hi,
>
> I'm trying to select data from a table, converting two values and return
> all four. Maybe this is best explained with an example:
>
> The function from the documentation on pl/pgsql:
>
> CREATE FUNCTION sum_n_product(x int, y int, OUT sum int, OUT prod int) AS $$
> BEGIN
>     sum := x + y;
>     prod := x * y;
> END;
> $$ LANGUAGE plpgsql;
>
> And a table 'myvals' with x and y integer values:
> CREATE TABLE myvals (INT x, INT y);
>
>
> How can I do the following:
>
> select * from myvals, sum_n_product(myvals.x, myvals.y);

select x, y, sum_n_product(x,y) from myvals;


Andreas
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Andreas Kretschmer
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