E.80.1. Migration to version 7.2.1

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

E.80.2. 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)