Re: hi, what is wrong with my newbie sql?

Ronin <jkoorts@gmail.com> schrieb:

> Hi, the following sql returns "10" and not "20" as would be expected.
>
> Where is the error? This would for sure work in any programming
> language, why is this different?
>
> CREATE FUNCTION test () RETURNS INTEGER AS '
>
>     DECLARE
>         k integer;
>
>     BEGIN
>         k = 10;
>         FOR k IN 1..10 LOOP
>             k = k +1;
>         END LOOP;
>
>         return k;
>     END;

I think, the inner k = k + 1; is not visible outer. The loop runs from
k=1 to k=10, and the returning k is the last loop-value k, 10.

You need a extra variable for the loop-counter.


Andreas
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