Thursday, 27 June 2013

Get month wise Calender for given year

                  Hi,
                                  In this article we will see how to get calender of all month in given year.
in privious article i have discused about get calender of given month of current year.


Solution::

1) Create below procedures ::


CREATE PROCEDURE [dbo].[CALENDAR] (@YEAR int) AS
DECLARE @INPUTDATE DATETIME
DECLARE @DATE DATETIME
DECLARE @LASTDATE DATETIME
DECLARE @MONTHDAYCOUNT INT
DECLARE @COUNT INT
DECLARE @DAY VARCHAR(10)
DECLARE @STARTWEEK INT
DECLARE @CURWEEK INT
DECLARE @STARTMONTH INT
SET @INPUTDATE='01/01/' + CAST(@YEAR AS CHAR(4))
PRINT @INPUTDATE
SET @STARTMONTH=1
WHILE @STARTMONTH<=12
BEGIN
SET @COUNT=1
SET @DATE = DATEADD(d, -(DATEPART(dd, @INPUTDATE) - 1), @INPUTDATE)
SET @LASTDATE=DATEADD(DD,-1,DATEADD(MM,1,@DATE))
SET @MONTHDAYCOUNT=datediff(d, @date, dateadd(m, 1, @date))
SET @STARTWEEK=DATENAME(WEEK,@DATE)
DECLARE @CURRWEEK INT
DECLARE @CUR INT
CREATE TABLE #TEMP(
WEEK VARCHAR(10),
SUNDAY VARCHAR(10),
MONDAY VARCHAR(10),
TUESDAY VARCHAR(10),
WEDNESDAY VARCHAR(10),
THURSDAY VARCHAR(10),
FRIDAY VARCHAR(10),
SATURDAY VARCHAR(10))
DECLARE @wkcount int
DECLARE @weeksinmonth int
DECLARE @EXEC NVARCHAR(2000)
SET @WKCOUNT=1
SET @weeksinmonth=datediff(week, @date, @lastdate) + 1
WHILE @wkcount<= @weeksinmonth
begin
INSERT INTO #TEMP VALUES(@wkcount,'SUNDAY', 'MONDAY', 'TUESDAY', 'WEDNESDAY', 'THURSDAY', 'FRIDAY', 'SATURDAY')
SET @WKCOUNT=@WKCOUNT + 1
end
WHILE @COUNT< =@MONTHDAYCOUNT
BEGIN
SET @DAY=DATENAME(WEEKDAY,@DATE)
IF @STARTWEEK=DATENAME(WEEK,@DATE)
SET @CURRWEEK=1
ELSE
BEGIN
SET @CUR=DATENAME(WEEK,@DATE)
SET @CURRWEEK=(@CUR-@STARTWEEK)+1

END

SET @EXEC='UPDATE #TEMP SET ' + @DAY + ' =' + CAST(@COUNT AS CHAR(2)) + ' WHERE WEEK=' + CAST(@CURRWEEK AS CHAR(2))+ 'AND WEEK IS NOT NULL'
EXEC SP_EXECUTESQL @EXEC
SET @DATE=DATEADD(DD,1,@DATE)
SET @COUNT=@COUNT + 1
END
UPDATE #TEMP SET SUNDAY=' ' WHERE SUNDAY='SUNDAY'
UPDATE #TEMP SET MONDAY=' ' WHERE MONDAY='MONDAY'
UPDATE #TEMP SET TUESDAY=' ' WHERE TUESDAY='TUESDAY'
UPDATE #TEMP SET WEDNESDAY=' ' WHERE WEDNESDAY='WEDNESDAY'
UPDATE #TEMP SET THURSDAY=' ' WHERE THURSDAY='THURSDAY'
UPDATE #TEMP SET FRIDAY=' ' WHERE FRIDAY='FRIDAY'
UPDATE #TEMP SET SATURDAY=' ' WHERE SATURDAY='SATURDAY'
SELECT SUNDAY, MONDAY, TUESDAY, WEDNESDAY, THURSDAY, FRIDAY, SATURDAY FROM #TEMP
DROP TABLE #TEMP
SET @INPUTDATE=DATEADD(MM,1,@INPUTDATE)
SET @STARTMONTH=@STARTMONTH+1
END


2)Test Case::

exec CALENDAR 2013

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