Features added:
Marc G. Fournier <scrappy@hub.org>
Features added: * Wrote max(date) and min(date) aggregates * Wrote operator "-" for date; date - date yields number of days difference * Wrote operator+(date,int) and operator-(date,int); the int is the number of days. Each operator returns a new date. By: Tom Tromey <tromey@creche.cygnus.com>
Files
| Path | Change | +/− |
|---|---|---|
| src/backend/utils/adt/datetimes.c | modified | +99 −1 |
| src/include/catalog/pg_aggregate.h | modified | +3 −1 |
| src/include/catalog/pg_operator.h | modified | +4 −1 |
| src/include/catalog/pg_proc.h | modified | +6 −2 |