PostgreSQL 9.6beta4 Documentation
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# E.164. Release 8.2.5

> Release Date: 2007-09-17

This release contains a variety of fixes from 8.2.4. For information about new features in the 8.2 major release, see Section E.169.

## E.164.1. Migration to Version 8.2.5

A dump/restore is not required for those running 8.2.X.

## E.164.2. Changes

- Prevent index corruption when a transaction inserts rows and then aborts close to the end of a concurrent `VACUUM` on the same table (Tom)

- Fix `ALTER DOMAIN ADD CONSTRAINT` for cases involving domains over domains (Tom)

- Make `CREATE DOMAIN ... DEFAULT NULL` work properly (Tom)

- Fix some planner problems with outer joins, notably poor size estimation for `t1 LEFT JOIN t2 WHERE t2.col IS NULL` (Tom)

- Allow the `interval` data type to accept input consisting only of milliseconds or microseconds (Neil)

- Allow timezone name to appear before the year in `timestamp` input (Tom)

- Fixes for GIN indexes used by `/contrib/tsearch2` (Teodor)

- Speed up rtree index insertion (Teodor)

- Fix excessive logging of SSL error messages (Tom)

- Fix logging so that log messages are never interleaved when using the syslogger process (Andrew)

- Fix crash when `log_min_error_statement` logging runs out of memory (Tom)

- Fix incorrect handling of some foreign-key corner cases (Tom)

- Fix `stddev_pop(numeric)` and `var_pop(numeric)` (Tom)

- Prevent `REINDEX` and `CLUSTER` from failing due to attempting to process temporary tables of other sessions (Alvaro)

- Update the time zone database rules, particularly New Zealand's upcoming changes (Tom)

- Windows socket and semaphore improvements (Magnus)

- Make `pg_ctl -w` work properly in Windows service mode (Dave Page)

- Fix memory allocation bug when using MIT Kerberos on Windows (Magnus)

- Suppress timezone name (`%Z`) in log timestamps on Windows because of possible encoding mismatches (Tom)

- Require non-superusers who use `/contrib/dblink` to use only password authentication, as a security measure (Joe)

- Restrict `/contrib/pgstattuple` functions to superusers, for security reasons (Tom)

- Do not let `/contrib/intarray` try to make its GIN opclass the default (this caused problems at dump/restore) (Tom)

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