Robert Haas <robertmh...@gmail.com> writes:
> I thought we had an idea of using the AllocSet dispatch mechanism to
> make this zero-overhead in the case where the probes are not enabled.
> What happened to that notion?

I must have missed that discussion, but +1 --- should be possible to get
to zero-overhead-when-off that way.  The trick is to figure out
what/where enables the alternate implementation.  The current design
assumes that the callers of FooContextCreate choose the implementation,
but we don't want that here.

                        regards, tom lane

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