Add business days to date in SQL without loops

Question

I currently have a function in my SQL database that adds a certain amount of business days to a date, e.g. if you enter a date that is a Thursday and add two days, it will r

Answer 1

WITH get_dates
AS
(
    SELECT getdate() AS date, 0 as DayNo 
    UNION ALL
    SELECT date + 1 AS date, case when DATEPART(DW, date + 1) IN (1,7) then DayNo else DayNo + 1 end
    FROM get_dates
    WHERE DayNo < 4
)
SELECT max(date) FROM get_dates
OPTION (MAXRECURSION 0)