On Mon, Jul 11, 2016 at 3:05 PM, Michael Paquier <michael.paqu...@gmail.com>

> On Mon, Jul 11, 2016 at 7:01 PM, Magnus Hagander <mag...@hagander.net>
> wrote:
> > But isn't this also a pre-existing bug in 9.5? Or did we change something
> > else that suddenly made it visible?
> What has been patched here is a defect caused by pg_start_backup(),
> and not pg_basebackup. In the case of the latter, ThisTimelineID gets
> set by GetStandbyFlushRecPtr() in the context of the WAL sender used
> to send the base backup. In short, this is only a defect of 9.6, where
> pg_start_backup() can be used on standbys for the first time for
> non-exclusive backups.
> So the issue does not actually pre-exist, GetStandbyFlushRecPtr()
> playing its role to set up the timeline ID.

Ah, that's where we gt it from. Gotcha, makes sense. Thanks for confirming!

 Magnus Hagander
 Me: http://www.hagander.net/
 Work: http://www.redpill-linpro.com/

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