Fix for SELECT null, 'fail' FROM pg_am (Patrick)
SELECT NULL as EMPTY_FIELD now allowed(Patrick)
Remove un-needed signal stuff from contrib/pginterface
+Fix OR (where x <> 1 or x isnull didn't return tuples with x NULL) (Vadim)
+Fix time_cmp function (Vadim)
+Fix handling of functions with non-attribute first argument in
+ WHERE clauses (Vadim)
+Fix GROUP BY when order of entries is different from order
+ in target list (Vadim)
Enhancements
------------
pg_password utility
Return number of tuples inserted/affected by INSERT/UPDATE/DELETE etc.(Vadim)
Triggers implemented with CREATE TRIGGER (SQL3)(Vadim)
-SPI (Server Programming Interface) implemented to support triggers(Vadim)
+SPI (Server Programming Interface) - allows execution of queries inside
+ C-functions (Vadim)
+ SPI implemented not just to support triggers, but functions too,
+ and as "workhorse" for procedural language(s) in future...
NOT NULL implemented (SQL92)(Robson Paniago de Miranda)
Include reserved words for string handling, outer joins, and unions(Thomas)
Implement extended comments ("/* ... */") using exclusive states(Thomas)
psql: Add PAGER for \h and \?,\C fix
Fix for psql pager when no tty(Bruce)
New entab utility(Bruce)
+General trigger functions for referential integrity (Vadim)
+General trigger functions for time travel (Vadim)
+MOVE implementation (Vadim)
Source Tree Changes
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