Historical version. PostgreSQL 9.0 has reached end of support. 2015-10-08. See the current manual.
E.210. Release 7.1.2
Release Date: 2001-05-11
This has one fix from 7.1.1.
E.210.1. Migration to Version 7.1.2
A dump/restore is not required for those running 7.1.X.
E.210.2. Changes
Fix PL/pgSQL SELECTs when returning no rows Fix for psql backslash core dump Referential integrity privilege fix Optimizer fixes pg_dump cleanups
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Read the upstream documentation. For corrections, first check the current manual.