Robert Haas <robertmhaas(at)gmail(dot)com> writes:
> On Fri, Dec 17, 2010 at 9:52 AM, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
>> I imagine the reason for the original coding was to avoid a useless
>> gettimeofday kernel call in the common case that there are no
>> conflicting xacts to wait for. Could we restore that behavior?
> Something like the attached?
I would just add the return-at-the-top. Changing the loop logic is
not necessary --- the loop test is cheap.
regards, tom lane
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