A.5. 版本 7.2.1

A.5.1. 向 7.2.1 版本移植

对那些运行 7.2 的库不需要转储/恢复．

A.5.2. 修改

Ensure that sequence counters do not go backwards after a crash (Tom)
Fix pgaccess kanji-coversion 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)
Allow EXECUTE of "CREATE TABLE AS ... SELECT" in PL/pgSQL (Tom)
Fix for array subscripts handling (Tom)