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(parent: 10b7c68) | patch

author	Simon Riggs <simon@2ndQuadrant.com>
	Wed, 2 Nov 2011 08:54:56 +0000 (08:54 +0000)
committer	Simon Riggs <simon@2ndQuadrant.com>
	Wed, 2 Nov 2011 08:54:56 +0000 (08:54 +0000)
commit	86e33648992cfc104836ab1fbb6e654308beb4a5
tree	c11d1ff97fea09f9bf20a961df11bebeb5316c5c	tree
parent	10b7c686e52a6d1bb10194ebf9331ef06f044d46	commit \| diff

Derive oldestActiveXid at correct time for Hot Standby.
There was a timing window between when oldestActiveXid was derived
and when it should have been derived that only shows itself under
heavy load. Move code around to ensure correct timing of derivation.
No change to StartupSUBTRANS() code, which is where this failed.

Bug report by Chris Redekop

Hanada's development tree.