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w1102157
Yak Posting Veteran

80 Posts
Posted - 08/02/2012 :  05:32:32  Show Profile  Reply with Quote
Hi Guys ,

i am trying to find out the number of days between two dates and i am running the following query

DATEDIFF(d, ElementStartDate, ElementEndDate)

however can i alter thsi query to say if the ElementEndDate is -1 then state no end date?

Lumbago
Norsk Yak Master

Norway
3246 Posts
Posted - 08/02/2012 :  05:57:23  Show Profile  Reply with Quote
For the datediff to work you need to compare two columns with data type date/datetime (unless you're using varchar and relying on implicit conversion which you really shouldn't), and -1 is not a valid date/datetime value.

- Lumbago
My blog-> http://thefirstsql.com
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visakh16
Very Important crosS Applying yaK Herder

India
48119 Posts
Posted - 08/02/2012 :  09:44:24  Show Profile  Reply with Quote
quote:
Originally posted by w1102157

Hi Guys ,

i am trying to find out the number of days between two dates and i am running the following query

DATEDIFF(d, ElementStartDate, ElementEndDate)

however can i alter thsi query to say if the ElementEndDate is -1 then state no end date?

Isnt ElementEndDate a datetime field? How can it have a value of -1?


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