Re: [COMMITTERS] pgsql: Reset 'ps' display just once when resolving VXID conflicts.

Tom Lane <tgl@sss.pgh.pa.us>

From: Tom Lane <tgl@sss.pgh.pa.us>

To: Robert Haas <robertmhaas@gmail.com>

Cc: pgsql-hackers@postgresql.org

Date: 2010-12-17T16:20:27Z

Lists: pgsql-hackers

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Reset 'ps' display just once when resolving VXID conflicts.
- 611fed371227 9.1.0 cited

Robert Haas <robertmhaas@gmail.com> writes:
> On Fri, Dec 17, 2010 at 9:52 AM, Tom Lane <tgl@sss.pgh.pa.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