PostgreSQL 8.4.7 Documentation
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# E.156. Release 7.2.1

> Release date: 2002-03-21

This release contains a variety of fixes for version 7.2.

## E.156.1. Migration to Version 7.2.1

A dump/restore is not required for those running version 7.2.

## E.156.2. Changes

- Ensure that sequence counters do not go backwards after a crash (Tom)

- Fix pgaccess kanji-conversion key binding (Tatsuo)

- Optimizer improvements (Tom)

- Cash I/O improvements (Tom)

- New Russian FAQ

- Compile fix for missing AuthBlockSig (Heiko)

- Additional time zones and time zone fixes (Thomas)

- Allow psql \connect to handle mixed case database and user names (Tom)

- Return proper OID on command completion even with ON INSERT rules (Tom)

- Allow COPY FROM to use 8-bit DELIMITERS (Tatsuo)

- Fix bug in extract/date_part for milliseconds/microseconds (Tatsuo)

- Improve handling of multiple UNIONs with different lengths (Tom)

- contrib/btree_gist improvements (Teodor Sigaev)

- contrib/tsearch dictionary improvements, see README.tsearch for an additional installation step (Thomas T. Thai, Teodor Sigaev)

- Fix for array subscripts handling (Tom)

- Allow EXECUTE of "CREATE TABLE AS ... SELECT" in PL/pgSQL (Tom)

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