In pg_upgrade, disallow migration of 8.3 clusters using contrib/ltree
because its internal format was changed in 8.4.
Backpatch to 9.0 and 9.1.
Report by depesz, diagnosis by Tom.
Branch
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master
Details
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http://git.postgresql.org/pg/commitdiff/3ced32d24e14af1877171c085a635b4ccdf8930c
Modified Files
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contrib/pg_upgrade/check.c | 1 +
contrib/pg_upgrade/pg_upgrade.h | 1 +
contrib/pg_upgrade/version_old_8_3.c | 81 ++++++++++++++++++++++++++++++++++
doc/src/sgml/pgupgrade.sgml | 5 ++
4 files changed, 88 insertions(+), 0 deletions(-)