I have the following stored procedure return void.
CREATE OR REPLACE FUNCTION sandbox()
RETURNS void AS
$BODY$DECLARE
DECLARE me text;
DECLARE he int;
BEGIN
he = 100;
RAISE NOTICE 'he is %', he;
-- me = "Hello PostgreSQL";
END;$BODY$
LANGUAGE 'plpgsql' VOLATILE
COST 100;
ALTER FUNCTION sandbox() OWNER TO postgres;
When I perform query :
SELECT * FROM sandbox();
Everything is fine.
"he is 100" is being printed in message area.
However, when I remove "--" from
me = "Hello PostgreSQL";
I get the following error :
================================================
ERROR: column "Hello PostgreSQL" does not exist
LINE 1: SELECT "Hello PostgreSQL"
^
QUERY: SELECT "Hello PostgreSQL"
CONTEXT: PL/pgSQL function "sandbox" line 7 at assignment
================================================
But isn't my stored procedure is void? Isn't it shouldn't return anything?
Thanks and Regards
Yan Cheng CHEOK
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