In pg_upgrade, check there are no prepared transactions.
Backpatch to 9.1.
Branch
------
REL9_1_STABLE
Details
-------
http://git.postgresql.org/pg/commitdiff/5561fe21846a3d9d0e97879fd95c79d3575886b0
Modified Files
--------------
contrib/pg_upgrade/check.c | 33 +++++++++++++++++++++++++++++++++
1 files changed, 33 insertions(+), 0 deletions(-)