id	summary	reporter	owner	description	type	status	priority	milestone	component	version	severity	resolution	keywords	cc
467	PostgreSQL-7.4.1	igor@…	billyoc@…	"Major release.

- IN/NOT IN subqueries are now much more efficient
- Improved GROUP BY processing by using hash buckets
- New multikey hash join capability
- Queries using the explicit JOIN syntax are now better optimized
- Faster and more powerful regular expression code
- Function-inlining for simple SQL functions
- Full support for IPv6 connections and IPv6 address data types
- Major improvements in SSL performance and reliability
- Make free space map efficiently reuse empty index pages, and other
- SQL-standard information schema
- Cursors conform more closely to the SQL standard
- Cursors can exist outside transactions
- New client-to-server protocol
- libpq and ECPG applications are now fully thread-safe
- New version of full-text indexing
- New autovacuum tool
- Array handling has been improved and moved into the server core"	defect	closed	high		BOOK	~CVS	medium	fixed	VERIFIED