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
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