Re: Optimizing TransactionIdIsCurrentTransactionId()

Simon Riggs <simon@2ndquadrant.com> writes:
> On Fri, 20 Dec 2019 at 13:07, Robert Haas <robertmhaas@gmail.com> wrote:
>> With regard to this point, I second Tomas's comments.

> I also agree with Tomas' comments. I am explaining *why* it will be an
> improvement, expanding on my earlier notes.
> This function is called extremely frequently in query processing and is
> fairly efficient. I'm pointing out cases where making it even quicker makes
> sense.

I think the point is that you haven't demonstrated that this particular
patch makes it quicker.

            regards, tom lane