Generate a TSQL calendar table using all_objects table as a seed

TSQL_calendar_generation.sql

DECLARE
    @cal_start  DATE
  , @cal_end    DATE
  , @n          INT
;

SELECT
    @cal_start = '1970-01-01'
  , @cal_end = '2030-12-31'
  , @n = DATEDIFF(DAY, @cal_start, @cal_end)
;

WITH
  seed AS
  ( SELECT TOP (@n)
        CONVERT(INT, ROW_NUMBER() OVER (ORDER BY s1.object_id)) AS n
    FROM
        sys.all_objects AS s1
    CROSS JOIN
        sys.all_objects AS s2
  )

SELECT
    DATEADD(DAY, n - 1, @cal_start)     AS calendar_date
FROM
  seed
;