Historical version. PostgreSQL 9.3 has reached end of support. 2018-11-08. See the current manual.
E.187. Release 8.1.8
Release date: 2007-02-07
This release contains one fix from 8.1.7. For information about new features in the 8.1 major release, see Section E.195.
E.187.1. Migration to Version 8.1.8
A dump/restore is not required for those running 8.1.X. However, if you are upgrading from a version earlier than 8.1.2, see Section E.193.
E.187.2. Changes
Remove overly-restrictive check for type length in constraints and functional indexes(Tom)
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Read the upstream documentation. For corrections, first check the current manual.