Release Date: 2004-10-22
This release contains a variety of fixes from 7.4.5. For information about new features in the 7.4 major release, see Section E.240.
A dump/restore is not required for those running 7.4.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.
Prevent forced backend shutdown from re-emitting prior command result
In rare cases, a client might think that its last command had succeeded when it really had been aborted by forced database shutdown.
Repair bug in
This could lead to misbehavior in some of the system-statistics views.
Fix small memory leak in postmaster
Fix "expected both swapped tables to have TOAST tables" bug
This could arise in cases such as CLUSTER after ALTER TABLE DROP COLUMN.
Prevent pg_ctl restart from adding -D multiple times
Fix problem with NULL values in GiST indexes
:: is no longer interpreted as a variable in an ECPG prepare statement
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