A função no POSTGRESQL abaixo serve para:
CREATE OR REPLACE FUNCTION addition (integer,
integer) RETURNS integer
AS $$
DECLARE retval integer;
BEGIN
SELECT $1 + $2 INTO retval;
RETURN retval;
END;
$$ LANGUAGE plpgsql;
A função no POSTGRESQL abaixo serve para:
CREATE OR REPLACE FUNCTION addition (integer,
integer) RETURNS integer
AS $$
DECLARE retval integer;
BEGIN
SELECT $1 + $2 INTO retval;
RETURN retval;
END;
$$ LANGUAGE plpgsql;
