Thanks Tom,
Yes, we've discussed adding some kind of optional identity information
to the object, it remains a potential course of action.
Paul
On Tue, Apr 1, 2008 at 2:37 PM, Tom Lane <[EMAIL PROTECTED]> wrote:
> "Paul Ramsey" <[EMAIL PROTECTED]> writes:
> > The "optimized" form gets cached an
"Paul Ramsey" <[EMAIL PROTECTED]> writes:
> The "optimized" form gets cached and retrieved from a memory context.
> Each time the function is run within a statement it checks the cache,
> and sees if one of its arguments are the same as the last time around.
> If so, it uses the prepared version of
In PostGIS, we have a problem, in that spatial operations are very
costly, CPUwise.
We have hit on a nifty enhancement recently, which was to recognize
that when processing multiple rows, in joins or with literal
argouments, for most functions of the form GeometryOperation(A, B), A
(or B) tended t