DECLARE usertablename ALIAS FOR $1 ; userid ALIAS FOR $2 ;
id_lang BIGINT ;
var VARCHAR(200) ;
BEGIN var := 'client' ;
SELECT id_language INTO id_lang FROM client WHERE id_user = userid ; IF NOT (id_lang = 1 OR id_lang = 3) THEN
id_lang = 1 ; END IF ;
RETURN id_lang ;
END ;
I want to use client table as a variable
How could I do