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CREATE SCHEMA IF NOT EXISTS pwc198;
CREATE OR REPLACE FUNCTION
pwc198.is_prime( l int )
RETURNS bool
AS $CODE$
DECLARE
i int;
BEGIN
FOR i IN 2 .. l - 1 LOOP
IF l % i = 0 THEN
RETURN FALSE;
END IF;
END LOOP;
RETURN TRUE;
END
$CODE$
LANGUAGE plpgsql;
CREATE OR REPLACE FUNCTION
pwc198.task2_plpgsql( l int )
RETURNS int
AS $CODE$
DECLARE
c int := 0;
i int;
BEGIN
FOR i IN 2 .. l LOOP
IF pwc198.is_prime( i ) THEN
c := c + 1;
END IF;
END LOOP;
RETURN c;
END
$CODE$
LANGUAGE plpgsql;
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