"Eugene M. Hutorny" <eugene@ksf.kiev.ua> writes:
> SQL statemet
> SELECT EXTRACT(QUARTER FROM INTERVAL '1 day');
> Returns: 1
> Expected: 0
Why would you expect that? Quarters are numbered 1 through 4.
And it doesn't "always return 1":
regression=# SELECT EXTRACT(QUARTER FROM INTERVAL '3 months');
date_part
-----------
2
(1 row)
regression=# SELECT EXTRACT(QUARTER FROM INTERVAL '11 months');
date_part
-----------
4
(1 row)
regards, tom lane
