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| CREATE OR ALTER PROCEDURE USP.[usp_CreateDimCalendar] | ||
| AS | ||
| BEGIN | ||
| SET NOCOUNT ON; | ||
|
|
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| -- Declare the financial year start month (12 for December) | ||
| DECLARE @financial_year_start_month INT = 12; | ||
| DECLARE @current_year INT = YEAR(GETDATE()); | ||
| DECLARE @current_month INT = MONTH(GETDATE()); | ||
| DECLARE @current_date DATE = GETDATE(); | ||
|
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| -- Calculate the adjusted month offset for financial quarter calculations | ||
| DECLARE @adjusted_month_offset INT = @financial_year_start_month - 1; | ||
|
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| -- Calculate `n`, the financial offset for months | ||
| DECLARE @n INT = CASE WHEN (@financial_year_start_month BETWEEN 1 AND 12) | ||
| AND (@financial_year_start_month > 1) | ||
| THEN @financial_year_start_month - 1 | ||
| ELSE 0 | ||
| END; | ||
|
|
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| -- Drop the table if it exists | ||
| IF OBJECT_ID('[Test_DB].dbo.dim_calendar', 'U') IS NOT NULL | ||
| BEGIN | ||
| DROP TABLE [Test_DB].dbo.dim_calendar; | ||
| END; | ||
|
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| WITH date_series AS ( | ||
| SELECT | ||
| DATEADD(DAY, ROW_NUMBER() OVER (ORDER BY (SELECT NULL)) - 1, DATEFROMPARTS(YEAR(GETDATE()) - 3, 1, 1)) AS date_id | ||
| FROM sys.all_objects | ||
| ) | ||
| , complete_date_range AS ( | ||
| SELECT date_id FROM date_series | ||
| WHERE date_id <= DATEFROMPARTS(YEAR(GETDATE()) + 3, 12, 31) | ||
| ) | ||
| , core_date_fields AS ( | ||
| SELECT | ||
| date_id | ||
| , YEAR(date_id) AS year_num | ||
| , MONTH(date_id) AS month_num | ||
| , DAY(date_id) AS day_month_num | ||
| , DATENAME(MONTH, date_id) AS month_name | ||
| , LEFT(DATENAME(MONTH, date_id), 3) AS month_name_short | ||
| , DATENAME(WEEKDAY, date_id) AS day_name | ||
| , LEFT(DATENAME(WEEKDAY, date_id), 3) AS day_name_short | ||
| , ((DATEPART(WEEKDAY, date_id) + @@DATEFIRST - 2) % 7) + 1 AS day_week_num | ||
| , DATEPART(DAYOFYEAR, date_id) AS day_year_num | ||
| , DATEPART(QUARTER, date_id) AS quarter_num | ||
| , DATEFROMPARTS(YEAR(date_id), MONTH(date_id), 1) AS month_start | ||
| , EOMONTH(date_id) AS month_end | ||
| , LEFT(DATENAME(WEEKDAY, date_id), 1) AS day_initial | ||
| , LEFT(DATENAME(MONTH, date_id), 1) AS month_initial | ||
|
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||
| FROM complete_date_range | ||
| ) | ||
| , additional_date_fields AS( | ||
| SELECT | ||
| date_id | ||
| , year_num | ||
| , year_num - @current_year AS year_offset -- Year, month, and day offsets | ||
| , CASE WHEN date_id <= @current_date THEN 1 ELSE 0 END AS is_ytd | ||
| , CASE WHEN date_id > @current_date THEN 1 ELSE 0 END AS is_frc | ||
| , CASE WHEN DATEDIFF(MONTH, GETDATE(), date_id) < 0 THEN 1 ELSE 0 END AS is_cmtd | ||
| -- financial Year calculation based on financial start month | ||
| , CONCAT( | ||
| RIGHT(YEAR( | ||
| CASE | ||
| WHEN month_num >= @financial_year_start_month THEN date_id | ||
| ELSE DATEADD(YEAR, -1, date_id) | ||
| END | ||
| ), 2), | ||
| '/', | ||
| RIGHT(YEAR( | ||
| CASE | ||
| WHEN month_num >= @financial_year_start_month THEN DATEADD(YEAR, 1, date_id) | ||
| ELSE date_id | ||
| END | ||
| ), 2) | ||
| ) AS financial_year | ||
|
|
||
| -- Financial year offset based on financial start | ||
| , (CASE WHEN month_num >= @financial_year_start_month THEN year_num + 1 ELSE year_num END) - (CASE WHEN @current_month >= @financial_year_start_month THEN @current_year + 1 ELSE @current_year END) AS financial_year_offset | ||
| , month_num | ||
| , month_name | ||
| , month_name_short | ||
| , month_initial | ||
| , month_start | ||
| , month_end | ||
|
|
||
| , DATEDIFF(MONTH, GETDATE(), date_id) AS month_offset | ||
| , CASE -- Financial month number for financial year starting in December | ||
| WHEN month_num >= @financial_year_start_month AND @financial_year_start_month > 1 THEN month_num - (@financial_year_start_month - 1) | ||
| WHEN @financial_year_start_month = 1 THEN month_num | ||
| ELSE month_num + (12 - @financial_year_start_month + 1) | ||
| END AS financial_month_num | ||
| , day_initial | ||
| , day_name | ||
| , day_name_short | ||
| , day_year_num | ||
| , day_month_num | ||
| , day_week_num | ||
| , DATEDIFF(DAY, GETDATE(), date_id) AS day_offset | ||
| , CASE WHEN ((day_week_num + @@DATEFIRST - 2) % 7) + 1 BETWEEN 1 AND 5 THEN 1 ELSE 0 END AS is_weekday | ||
| , CASE WHEN ((day_week_num + @@DATEFIRST - 2) % 7) + 1 BETWEEN 6 AND 7 THEN 1 ELSE 0 END AS is_weekend | ||
| , quarter_num | ||
| , CONCAT('Q', quarter_num) AS quarter_name | ||
| , ((4 * YEAR(date_id)) + DATEPART(QUARTER, date_id)) - ((4 * YEAR(@current_date)) + DATEPART(QUARTER, @current_date)) AS quarter_offset | ||
| , FLOOR(((12 + MONTH(date_id) - @financial_year_start_month) % 12) / 3 ) + 1 AS financial_quarter_num -- Financial quarter calculation based on financial start month | ||
| , 'FQ' + CAST(FLOOR(((12 + MONTH(date_id) - @financial_year_start_month) % 12) / 3) + 1 AS VARCHAR(3)) AS financial_quarter_name -- Financial quarter calculation based on financial start month | ||
| , ((4 * YEAR(DATEADD(MONTH, -@n, DATEADD(DAY, 1 - DAY([date_id]), [date_id])))) + DATEPART(QUARTER, DATEADD(MONTH, -@n, DATEADD(DAY, 1 - DAY([date_id]), [date_id])))) | ||
| - ((4 * YEAR(DATEADD(MONTH, -@n, DATEADD(DAY, 1 - DAY(@current_date), @current_date)))) + DATEPART(QUARTER, DATEADD(MONTH, -@n, DATEADD(DAY, 1 - DAY(@current_date), @current_date))) | ||
| ) as financial_quarter_offset | ||
|
|
||
| -- Week start and end calculations (Assuming Monday as week start) | ||
| , DATEADD(DAY, - (day_week_num + @@DATEFIRST - 2) % 7, date_id) AS week_start | ||
| , DATEADD(DAY, 6 - (day_week_num + @@DATEFIRST - 2) % 7, date_id) AS week_end | ||
|
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| -- Calculate week offset based on weeks between current_date and date_id | ||
| , DATEDIFF(WEEK, DATEADD(DAY, - (DATEPART(WEEKDAY, @current_date) + @@DATEFIRST - 2) % 7, @current_date) , DATEADD(DAY, - (DATEPART(WEEKDAY, date_id) + @@DATEFIRST - 2) % 7, date_id)) AS week_offset | ||
|
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| FROM core_date_fields | ||
| ) | ||
|
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| SELECT | ||
| date_id | ||
| , (year_num * 12) + month_num - 1 as date_int_key | ||
| , (year_num * 10000) + (month_num * 100) + day_month_num as date_int | ||
| , year_num | ||
| -- Calendar Year Start Calculation (always January 1st) | ||
| , year_start = DATEFROMPARTS(year_num, 1, 1) | ||
|
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| -- Calendar Year End Calculation (always December 31st) | ||
| , year_end = EOMONTH(DATEFROMPARTS(year_num, 12, 1)) | ||
| , CASE WHEN year_offset = -1 THEN 1 ELSE 0 END AS is_previous_year | ||
| , CASE WHEN year_offset = 0 THEN 1 ELSE 0 END AS is_current_year | ||
| , CASE WHEN year_offset = 0 THEN 'Current CY' ELSE CAST(year_num AS VARCHAR) END AS year_selection | ||
| , year_offset | ||
| , is_ytd | ||
| , is_frc | ||
| , is_cmtd | ||
| , DATEADD(DAY, 364 * -1, @current_date) AS py_date_id | ||
| , DATEADD(DAY, 364 * -2, @current_date) AS py_minus_1_date_id | ||
| , DATEADD(DAY, 30 * -1, @current_date) AS pm_date_id | ||
| , DATEADD(DAY, 30 * -2, @current_date) AS pm_minus_1_date_id | ||
|
|
||
| -- 2 weekly dates | ||
| , CASE | ||
| WHEN (DATEPART(WEEK, [date_id]) % 2) = 1 | ||
| THEN DATEADD(DAY, -(DATEPART(WEEKDAY, [date_id]) - 2) - 1, [date_id]) -- Subtracts one extra day | ||
| ELSE DATEADD(DAY, -(DATEPART(WEEKDAY, DATEADD(DAY, -7*1, [date_id])) - 2) - 1, DATEADD(DAY, -7*1, [date_id])) -- Subtracts one extra day | ||
| END AS [2W Date] | ||
|
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| -- 2 monthly dates | ||
| , EOMONTH(DATEADD(MONTH, -((MONTH([date_id]) - 1) % 2), [date_id])) AS [2M Date] | ||
|
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| -- 3 monthly dates | ||
| , EOMONTH(DATEADD(MONTH, -((MONTH([date_id]) - 1) % 3), [date_id])) AS [3M Date] | ||
|
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| -- 6 monthly dates | ||
| , EOMONTH(DATEADD(MONTH, -((MONTH([date_id]) - 1) % 6), [date_id])) AS [6M Date] | ||
|
|
||
| ----- | ||
| , financial_year | ||
|
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| , financial_year_start = | ||
| CASE | ||
| WHEN month_num >= @financial_year_start_month | ||
| THEN DATEFROMPARTS(year_num, @financial_year_start_month, 1) | ||
| ELSE DATEFROMPARTS(year_num - 1, @financial_year_start_month, 1) | ||
| END | ||
|
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||
| , financial_year_end = | ||
| CASE | ||
| WHEN month_num >= @financial_year_start_month | ||
| THEN EOMONTH(DATEFROMPARTS(year_num + 1, @financial_year_start_month - 1, 1)) | ||
| ELSE EOMONTH(DATEFROMPARTS(year_num, @financial_year_start_month - 1, 1)) | ||
| END | ||
| , CASE WHEN financial_year_offset = -1 THEN 1 ELSE 0 END AS is_previous_fy | ||
| , CASE WHEN financial_year_offset = 0 THEN 1 ELSE 0 END AS is_current_fy | ||
| , CASE WHEN financial_year_offset = 0 THEN 'Current FY' ELSE CAST(financial_year AS VARCHAR) END AS fy_selection | ||
| , financial_year_offset | ||
| , month_num | ||
| , month_name | ||
| , month_name_short | ||
| , month_initial | ||
| , month_start | ||
| , month_end | ||
| , FORMAT(date_id, 'MMM-yy') as month_year_short | ||
| , FORMAT(date_id, 'MMM-yyyy') as month_year_long | ||
| , (year_num * 100) + (month_num) as month_year_int | ||
| , CASE WHEN month_offset = 0 THEN 1 ELSE 0 END AS is_current_month | ||
| , CASE WHEN month_offset = 0 THEN 'Current Month' ELSE month_name_short END AS current_month_selection | ||
| , month_offset | ||
| ----- | ||
| , financial_month_num | ||
| , month_name as financial_month | ||
| , month_name_short as financial_month_short | ||
| , month_initial as financial_month_initial | ||
| , month_start as financial_month_start | ||
| , month_end as financial_month_end | ||
| , FORMAT(date_id, 'MMM-yy') as financial_month_year_short | ||
| , FORMAT(date_id, 'MMM-yyyy') as financial_month_year_long | ||
| , (CAST(REPLACE(financial_year, '/','') AS INT) * 100) + (financial_month_num) as financial_month_year_int | ||
| , month_offset as financial_month_offset | ||
| ----- | ||
|
|
||
| , day_initial | ||
| , day_name | ||
| , day_name_short | ||
| , day_year_num | ||
| , day_month_num | ||
| , day_week_num | ||
| , day_offset | ||
| , is_weekday | ||
| , is_weekend | ||
| , quarter_num | ||
| , quarter_name | ||
| , (CAST(REPLACE(year_num, '/','') AS INT) * 100) + (quarter_num) as quarter_year_int | ||
| , quarter_offset | ||
| , financial_quarter_num | ||
| , financial_quarter_name | ||
| , (CAST(REPLACE(financial_year, '/','') AS INT) * 100) + (financial_quarter_num) as financial_quarter_year_int | ||
| , financial_quarter_offset | ||
| , week_start | ||
| , week_end | ||
| , week_offset | ||
|
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||
|
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| INTO [Test_DB].dbo.dim_calendar | ||
| FROM additional_date_fields; | ||
| END; | ||
|
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| -- EXEC USP.[usp_CreateDimCalendar] ; | ||
| -- SELECT * FROM [Test_DB].dbo.dim_calendar |