2003-12-02  Dmitry G. Mastrukov <dmitry@taurussoft.org>

	* uniqueidentifier.sql.in: Set uniqueidentifier_ops_hash to be default
	operator class for hash method. Renamed uniqueidentifier_ops to 
	uniqueidentifier_ops_btree.

2003-12-01  Dmitry G. Mastrukov <dmitry@taurussoft.org>

	* uniqueidentifier.c: (uniqueidentifier_from_text):
	* uniqueidentifier.sql.in: Added support for creating uniqueidentifier
	from text and cast from text to uniqueidentifier. Thanks to David
	Bradford <zerobearing2@jbmsoftware.net>.

2003-11-28  Dmitry G. Mastrukov <dmitry@taurussoft.org>

	* uniqueidentifier.c: (uniqueidentifier_hash):
	* uniqueidentifier.sql.in: Added support for hash operator class. It
	fixes problems with PostgreSQL 7.4, where hash joins are used in more
	conditions.


