Bug Fixes
---------
-Fix problems with pg_dump for iheritance, sequences, archive tables(Bruce)
+Fix problems with pg_dump for inheritance, sequences, archive tables(Bruce)
Fix compile errors on overflow due to shifts, unsigned, and bad prototypes
from Solaris, (Diab Jerius)
Fix bugs in line arithmetic which resulted in bad intersection
updated tuples, etc).(Vadim)
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
Enhancements
------------
Check explicitly for points and polygons contained within polygons
using an axis-crossing algorithm. (Thomas)
Add routine to convert circle-box(Thomas)
-Merge conflicting operators for different geometric data types
- (the point type especially had operators which were
- weirdly dissimilar from the other types)(Thomas)
+Merge conflicting operators for different geometric data types(Thomas)
Replace distance operator "<===>" with "<->"(Thomas)
Replace "above" operator "!^" with ">^"
and "below" operator "!|" with "<^"(Thomas)
Add routines for text trimming on both ends, substring, and string position(Thomas)
-Add new operators and functions for geometric types(Thomas)
Add text concatenation operator and function(Thomas)
Add text trim function for SQL92 support(Thomas)
Added conversion routines circle(box) and poly(circle)(Thomas)
-Use better routines from geometry library(Thomas)
Allow use parameters in target list having aggregates in functions(Vadim)
-Allow internal sorts to be stored in memory rather than in files(Bruce)
+Allow internal sorts to be stored in memory rather than in files(Bruce & Vadim)
Added JDBC driver as an interface(Adrian & Peter)
Reduce open() calls(Bruce)
NOT NULL implementation (Robson Paniago de Miranda).
-CHECK/DEFAULT syntax(Vadim)
-Syntax for [CONSTRAINT name] CHECK ...(Vadim)
Allow functions and operators on internally-identical types to succeed(Bruce)
Speed up backend startup after profiling analysis(Bruce)
pg_password utility
Fix for psql pager when no tty(Bruce)
Add // comments(Bruce)
New entab utility(Bruce)
-New system relations to store DEFAULT/CHECK expressions(Vadim)
-Store CHECK infos on CREATE TABLE(Vadim)
+CHECK/DEFAULT constraints implemented(Vadim)
+CHECK/DEFAULT syntax additions(Thomas)
Default GEQO parameter is now 8(Bruce)
Define DOUBLE PRECISION, INTERVAL, CHARACTER, and
CHARACTER VARYING (SQL-92)(Thomas)
Define EXTRACT(), POSITION(), SUBSTRING(), and TRIM() (SQL-92)(Thomas)
+Inline frequently called functions for performance(Bruce)
Source Tree Changes
-------------------
Added SCO support, (Daniel Harris)
mkLinux patches (Tatsuo Ishii)
Change box terminology from "length" to "width"(Thomas)
-Deprecate temporary unstored slope fields(Thomas)
+Deprecate temporary unstored slope fields in geometric code(Thomas)
Remove restart instructions from INSTALL(Bruce)
Look in /usr/ucb first for install(Bruce)
Fix c++ copy example code(Thomas)