Avoid hot standby cancels from VAC FREEZE
VACUUM FREEZE generated false cancelations of standby queries on an
otherwise idle master. Caused by an off-by-one error on cutoff_xid
which goes back to original commit.
Backpatch to all versions 9.0+
Analysis and report by Marco Nenciarini
Bug fix by Simon Riggs
Branch
------
master
Details
-------
http://git.postgresql.org/pg/commitdiff/66fbcb0d2e1b201477dd2977b6eb93b1cfd9dd6c
Modified Files
--------------
src/backend/access/heap/heapam.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
