On 16.06.2011 22:46, Pavel Stehule wrote:
> I have a query - should be ExpressionParam used for removing a
> multiple function call when composite result is expanded?
>
> With some similar optimization a SELECT (fce(x)).* FROM tab will be optimal
Hmm, I don't think it will work as is for that purpose, as each
targetlist item is a separate expression, and ExpressionParams only work
within an expression.
-- Heikki Linnakangas EnterpriseDB http://www.enterprisedb.com