On Tue, Jan 6, 2015 at 2:58 AM, Michael Paquier
<michael.paqu...@gmail.com> wrote:
> So, we would need additional information other than the node ID *and*
> the timestamp to ensure proper transaction commit ordering on Windows.
> That's not cool and makes this feature very limited on this platform.

You can't use the timestamp alone for commit ordering on any platform.
Eventually, two transactions will manage to commit in a single clock
tick, no matter how short that is.

Now, if we'd included the LSN in there...

Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company

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