pgsql: Ensure age() returns a stable value rather than the latest value

From: Simon Riggs <simon(at)2ndQuadrant(dot)com>
To: pgsql-committers(at)postgresql(dot)org
Subject: pgsql: Ensure age() returns a stable value rather than the latest value
Date: 2012-05-11 13:38:31
Message-ID: E1SSq3D-00062D-Dt@gemulon.postgresql.org
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Ensure age() returns a stable value rather than the latest value

Branch
------
REL9_1_STABLE

Details
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http://git.postgresql.org/pg/commitdiff/1a4bc2db6cb80a6e52aed8f5a68b895231653d6c

Modified Files
--------------
src/backend/access/transam/xact.c | 22 ++++++++++++++++++++++
src/backend/utils/adt/xid.c | 8 +++-----
src/include/access/xact.h | 1 +
3 files changed, 26 insertions(+), 5 deletions(-)

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