This bug was fixed in the package postgresql-8.4 - 8.4.8-0ubuntu0.10.10
---------------
postgresql-8.4 (8.4.8-0ubuntu0.10.10) maverick-proposed; urgency=low
* New upstream bug fix release: (LP: #767165)
- If your installation was upgraded from a previous major release by
running pg_upgrade, you should take action to prevent possible data loss
due to a now-fixed bug in pg_upgrade. The recommended solution is to run
"VACUUM FREEZE" on all TOAST tables. More information is available at
http://wiki.postgresql.org/wiki/20110408pg_upgrade_fix.
- Fix pg_upgrade's handling of TOAST tables.
This error poses a significant risk of data loss for installations
that have been upgraded with pg_upgrade. This patch corrects the
problem for future uses of pg_upgrade, but does not in itself cure
the issue in installations that have been processed with a buggy
version of pg_upgrade.
- Suppress incorrect "PD_ALL_VISIBLE flag was incorrectly set"
warning.
- Disallow including a composite type in itself.
- Avoid potential deadlock during catalog cache initialization.
- Fix dangling-pointer problem in BEFORE ROW UPDATE trigger handling
when there was a concurrent update to the target tuple.
- Disallow "DROP TABLE" when there are pending deferred trigger
events for the table.
Formerly the "DROP" would go through, leading to "could not open
relation with OID nnn" errors when the triggers were eventually
fired.
- Prevent crash triggered by constant-false WHERE conditions during
GEQO optimization.
- Improve planner's handling of semi-join and anti-join cases.
- Fix selectivity estimation for text search to account for NULLs.
- Improve PL/pgSQL's ability to handle row types with dropped columns.
- Fix PL/Python memory leak involving array slices.
- Fix pg_restore to cope with long lines (over 1KB) in TOC files.
- Put in more safeguards against crashing due to division-by-zero
with overly enthusiastic compiler optimization. (Closes: #616180)
-- Martin Pitt <martin.p...@ubuntu.com> Wed, 20 Apr 2011 15:33:25 +0200
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https://bugs.launchpad.net/bugs/767165
Title:
New bug fix releases: 8.4.8, 8.3.15
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