Returns the quarter of a date. That is, it will return:
1 for dates in January, February and March,
2 for dates in April, May and June,
3 for dates in July, August and September,
4 for dates in October, November and December.
Example:
table T = with
[| as D |]
[| date(2024, 1, 3) |]
[| date(2024, 3, 16) |]
[| date(2023, 11, 2) |]
[| date(2022, 7, 31) |]
show table "" a1b4 with
T.D as "Date"
quarter(T.D) as "Quarter"