the bulk of the heavy lifting ...

Implement TIME WITH TIME ZONE type (timetz internal type).
Remap length() for character strings to CHAR_LENGTH() for SQL92
 and to remove the ambiguity with geometric length() functions.
Keep length() for character strings for backward compatibility.
Shrink stored views by removing internal column name list from visible rte.
Implement min(), max() for time and timetz data types.
Implement conversion of TIME to INTERVAL.
Implement abs(), mod(), fac() for the int8 data type.
Rename some math functions to generic names:
 round(), sqrt(), cbrt(), pow(), etc.
Rename NUMERIC power() function to pow().
Fix int2 factorial to calculate result in int4.
Enhance the Oracle compatibility function translate() to work with string
 arguments (from Edwin Ramirez).
Modify pg_proc system table to remove OID holes.

All of these tests have been completely inspected and give correct results.

 machine (linux-2.0.36 RH5.2 with RH5.2 patches).

Add regression tests for circles, line segments, and paths.
Modify regression tests to allow GEQ optimizer (order results).

Modified a few tests to match results on RedHat Linux/gcc for v6.1beta.

the DROP TABLE calls from the destroy.sql file to the 'types' .sql files,
so that they are self-contained

btree_index, hash_index and misc all fail as there seems to be missing
a 'misc.out' expected file...have asked Thomas for one...