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PostgreSQL 8.4.22 Documentation
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E.163. Release 7.3.12

Release Date: 2005-12-12

This release contains a variety of fixes from 7.3.11.

E.163.1. Migration to Version 7.3.12

A dump/restore is not required for those running 7.3.X. However, if you are upgrading from a version earlier than 7.3.10, see Section E.165.

E.163.2. Changes

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.
/contrib/ltree fixes (Teodor)
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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