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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REL9_0_STABLE

Details
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http://git.postgresql.org/pg/commitdiff/e1ca691f6b81bda44d2971e090804f0b94834711

Modified Files
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src/backend/access/heap/heapam.c |    8 +++++++-
1 file changed, 7 insertions(+), 1 deletion(-)