Function to find whether last days of the month is

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Function to find whether last days of the month is

Author

Topic

sandesh.ravi
Posting Yak Master

110 Posts

Posted - 2012-03-08 : 11:41:30

Hi,

I am looking for a function to identify whether last day of the previous month is weekday or a weekend.

If it is a weekend then it should return the next weekday.

For example. 31/12/2011 was saturday.

The function should return 02/01/2012 as it was the next working day(Monday).

If it was a weekday then it should return the date.

Kindly let me know the function.

Thanks,
Sandesh

visakh16
Very Important crosS Applying yaK Herder

52326 Posts

Posted - 2012-03-08 : 12:33:05

[code]
CREATE FUNCTION GetLastMonthWeekDay
(
@Date date
)
RETURNS date
AS
BEGIN

DECLARE @PrevMonthDate date

SET @PrevMonthDate=CASE DATENAME(dw,DATEADD(mm,DATEDIFF(mm,0,@Date)-1,@Date))
WHEN 'Saturday' THEN DATEADD(mm,DATEDIFF(mm,0,@Date)-1,@Date)+2
WHEN 'Sunday' THEN DATEADD(mm,DATEDIFF(mm,0,@Date)-1,@Date)+1
ELSE DATEADD(mm,DATEDIFF(mm,0,@Date)-1,@Date)
END

RETURN @PrevMonthDate

END

and call it like

SELECT dbo.GetLastMonthWeekDay('2011-12-31')
[/code]

------------------------------------------------------------------------------------------------------
SQL Server MVP
http://visakhm.blogspot.com/

sunitabeck
Master Smack Fu Yak Hacker

5155 Posts

Posted - 2012-03-08 : 15:12:15

This returns the next business date(M-F) if the date passed in is a weekend. Otherwise returns the date itself.

CREATE FUNCTION dbo.GetLastMonthWeekDay (@dt date)
RETURNS DATE
AS
BEGIN
   DECLARE @weekday DATE =
      DATEADD(
            dd,
            CASE 
                WHEN DATEDIFF(dd, '19000101', @dt)%7 >= 5 THEN 7 -DATEDIFF(dd, '19000101', @dt)%7
                ELSE 0
            END,
            @dt
      );
   RETURN @weekday;
END
GO

Use as

SELECT dbo.GetLastMonthWeekDay ('20111231')

X002548
Not Just a Number

15586 Posts

Posted - 2012-03-08 : 16:14:08

I betcha it's one of 4 numbers

Brett

8-)

Hint: Want your questions answered fast? Follow the direction in this link
http://weblogs.sqlteam.com/brettk/archive/2005/05/25/5276.aspx

Want to help yourself?

http://msdn.microsoft.com/en-us/library/ms130214.aspx

http://weblogs.sqlteam.com/brettk/

http://brettkaiser.blogspot.com/

DonAtWork
Master Smack Fu Yak Hacker

2167 Posts

Posted - 2012-03-09 : 07:45:48

What if monday is a holiday?

http://weblogs.sqlteam.com/jeffs/archive/2008/05/13/question-needed-not-answer.aspx
How to ask: http://weblogs.sqlteam.com/brettk/archive/2005/05/25/5276.aspx
For ultra basic questions, follow these links.
http://www.sql-tutorial.net/
http://www.firstsql.com/tutor.htm
http://www.w3schools.com/sql/default.asp

X002548
Not Just a Number

15586 Posts

Posted - 2012-03-09 : 09:32:23

quote:
Originally posted by DonAtWork

What if monday is a holiday?

PARTY!

The ay after the superbowl should be a holiday

Brett

8-)

Hint: Want your questions answered fast? Follow the direction in this link
http://weblogs.sqlteam.com/brettk/archive/2005/05/25/5276.aspx

Want to help yourself?

http://msdn.microsoft.com/en-us/library/ms130214.aspx

http://weblogs.sqlteam.com/brettk/

http://brettkaiser.blogspot.com/

sandesh.ravi
Posting Yak Master

110 Posts

Posted - 2012-03-09 : 11:04:46

Thank you for the help.

Thanks,
Sandesh

visakh16
Very Important crosS Applying yaK Herder

52326 Posts

Posted - 2012-03-09 : 11:38:02

quote:
Originally posted by DonAtWork

What if monday is a holiday?

http://weblogs.sqlteam.com/jeffs/archive/2008/05/13/question-needed-not-answer.aspx
How to ask: http://weblogs.sqlteam.com/brettk/archive/2005/05/25/5276.aspx
For ultra basic questions, follow these links.
http://www.sql-tutorial.net/
http://www.firstsql.com/tutor.htm
http://www.w3schools.com/sql/default.asp

still it wont be the weekend right?
it would be an extended weekend

------------------------------------------------------------------------------------------------------
SQL Server MVP
http://visakhm.blogspot.com/

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