Hello
I propose new kind of FOR statement .. iteration over cursor, There
are two reasons:
a) better readability of procedure; - SQL statement is outside of statement,
b) better conformance with PL/SQL.
Sample:
CREATE OR REPLACE FUNCTION foo()
RETURNS void AS $$
DECLARE c CURSOR(p integer) FOR SELECT * FROM foot WHERE a = p;
BEGIN FOR r IN c(10) LOOP RAISE NOTICE '%', r.a; END LOOP; RETURN;
END;
$$ FUNCTION plpgsql;
Syntax:
FOR recordvar IN cursor[ ( params ) ] LOOP ..
END LOOP;
Notes:
recordvar is local in statement body (like fori). Used cursor is
automatically opened and closed.
Lot of code can be shared with fors and dynafors (some with stmt_open).
Regards
Pavel Stehule
