Thread: pgsql: Avoid hot standby cancels from VAC FREEZE

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
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master

Details
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http://git.postgresql.org/pg/commitdiff/66fbcb0d2e1b201477dd2977b6eb93b1cfd9dd6c

Modified Files
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src/backend/access/heap/heapam.c |    5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)