Re: allowed variable names in functions?

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От A. Kretschmer
Тема Re: allowed variable names in functions?
Дата
Msg-id 20080630104804.GF13270@a-kretschmer.de
обсуждение исходный текст
Ответ на Re: allowed variable names in functions?  ("A B" <gentosaker@gmail.com>)
Ответы Re: allowed variable names in functions?  ("A B" <gentosaker@gmail.com>)
Список pgsql-general
am  Mon, dem 30.06.2008, um 12:38:40 +0200 mailte A B folgendes:
> Then my assumption was wrong.
> Here is the entire function and it fails with the names
> c2,c2div,c3,c3div, but if names are changed, it works!
> (by works I mean I get the "hello" lines printed) There is nothing
> wrong with the select statement either, that works fine if I run it
> stand-alone, or with the names of c2,c2div,c3,c3div changed.
>
> CREATE OR REPLACE FUNCTION foo(pid_ INTEGER) RETURNS void AS $$
> DECLARE
>     c2 REAL;
>     c2div REAL;
>     c3 REAL;
>     c3div REAL;
>     weights RECORD;
>     tmp RECORD;
>     retval RECORD;
>     t RECORD;
> BEGIN
> RAISE NOTICE 'starting...';
>     FOR tmp IN SELECT id,c2,c3 FROM Master  WHERE pid=pid_  AND c3 !=0 LOOP
>         RAISE NOTICE 'hello %',tmp.id;
>     END LOOP;
>     RETURN;
> END; $$  LANGUAGE plpgsql;

Don't use the same names for plpgsql-variables and for column names.


Andreas
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Andreas Kretschmer
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