pg_upgrade: remove pg_multixact files left by initdb
This fixes a bug that caused vacuum to fail when the '0000' files left
by initdb were accessed as part of vacuum's cleanup of old pg_multixact
files.
Backpatch through 9.3
Branch
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REL9_3_STABLE
Details
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http://git.postgresql.org/pg/commitdiff/cc584180967490f7084b4d2328970fecdd7bc179
Modified Files
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contrib/pg_upgrade/pg_upgrade.c | 33 +++++++++++++++++++++++++++------
1 file changed, 27 insertions(+), 6 deletions(-)