Thank you both for the helpful explanations.
On Sat, Jul 10, 2010 at 11:48:29AM -0400, Tom Lane wrote:
> Oh, and one more thing: there is no "function cache".
Reading
http://www.postgresql.org/docs/8.3/static/plpgsql-implementation.html
section 38.10.2. "Plan Caching" had put that idea in my head :)
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