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pgsql: Fix the same-rel optimization when creating WAL records.

From:	Heikki Linnakangas <heikki(dot)linnakangas(at)iki(dot)fi>
To:	pgsql-committers(at)postgresql(dot)org
Subject:	pgsql: Fix the same-rel optimization when creating WAL records.
Date:	2015-05-04 18:04:07
Message-ID:	E1YpKit-00078w-Q4@gemulon.postgresql.org
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Lists:	pgsql-committers

Fix the same-rel optimization when creating WAL records.

prev_regbuf was never set, and therefore the same-rel flag was never set on
WAL records.

Report and fix by Zhanq Zq

Branch
------
master

Modified Files
--------------
src/backend/access/transam/xloginsert.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

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