CVSROOT:	/cvsroot
Module name:	pgsql
Changes by:	thomas(at)postgresql(dot)org	01/10/03 01:29:27

Modified files:
	src/backend/parser: analyze.c gram.y parse_coerce.c 
	src/backend/utils/adt: date.c datetime.c numeric.c timestamp.c 
	                       varchar.c 
	src/include/catalog: catversion.h pg_proc.h 
	src/include/utils: date.h timestamp.h 
	src/test/regress/expected: horology.out time.out timestamp.out 
	                           timestamptz.out timetz.out 
	src/test/regress/sql: horology.sql time.sql timestamp.sql 
	                      timestamptz.sql timetz.sql 

Log message:
	Implement precision support for timestamp and time, both with and without
	time zones.
	SQL99 spec requires a default of zero (round to seconds) which is set
	in gram.y as typmod is set in the parse tree. We *could* change to a
	default of either 6 (for internal compatibility with previous versions)
	or 2 (for external compatibility with previous versions).
	Evaluate entries in pg_proc wrt the iscachable attribute for timestamp and
	other date/time types. Try to recognize cases where side effects like the
	current time zone setting may have an effect on results to decide whether
	something is cachable or not.

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