Release date: 2005-12-12
This release contains a variety of fixes from 7.4.9. For information about new features in the 7.4 major release, see Section E.311.
A dump/restore is not required for those running 7.4.X. However, if you are upgrading from a version earlier than 7.4.8, see Section E.303.
Fix race condition in transaction log management
There was a narrow window in which an I/O operation could be initiated for the wrong page, leading to an Assert failure or data corruption.
Prevent failure if client sends Bind protocol message when current transaction is already aborted
AIX and HPUX compile fixes (Tom)
Fix longstanding planning error for outer joins
This bug sometimes caused a bogus error “RIGHT JOIN is only supported with merge-joinable join conditions”.
Prevent core dump in pg_autovacuum when a table has been dropped
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