On Friday 05 May 2006 13:06, Douglas McNaught wrote:
> "Paul Mackay" <mackaypaul@gmail.com> writes:
> > I understand that the query plan of a function is determined at
> > CREATION and remains the same whatever the parameter(s) value. I
> > suppose then that this plan is stored somewhere in a system table ?
>
> You are misinformed. It's determined the first time that function is
> executed in a given backend, and stored in backend-local memory.
> There's no way that I know of to look at it.
And after a vacuum analyze, the plan can change ??
D.
