Joe Conway [EMAIL PROTECTED] writes:
How is a parameterized view any different than a set returning SQL function?
In either case, you've got the same work to do to teach the optimizer how to
understand it, no? Seems like the todo is just that, teach the optimizer how to
do better with
On Mon, Dec 01, 2003 at 09:38:06AM +1100, Alex Satrapa wrote:
create or replace function get_transactions (INTEGER) returns set of
record as '
DECLARE
cust_id ALIAS FOR $1;
BEGIN
for r in select ... from ... loop
return next r;
end loop;
return;
END
' language 'plpgsql';
But
Alvaro Herrera wrote:
Me too. I've created many functions to extract data that are joined to
other functions. All in all the result is not as optimal as it could
be, because the optimizer can not poke into the functions, and the
estimates about functions are only guesses. If one could use
