|PostgreSQL 8.4.22 Documentation|
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Release Date: 2004-10-22
This release contains a variety of fixes from 7.3.7.
A dump/restore is not required for those running 7.3.X.
Repair possible failure to update hint bits on disk
Under rare circumstances this oversight could lead to "could not access transaction status" failures, which qualifies it as a potential-data-loss bug.
Ensure that hashed outer join does not miss tuples
Very large left joins using a hash join plan could fail to output unmatched left-side rows given just the right data distribution.
Disallow running pg_ctl as root
This is to guard against any possible security issues.
Avoid using temp files in /tmp in make_oidjoins_check
This has been reported as a security issue, though it's hardly worthy of concern since there is no reason for non-developers to use this script anyway.