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 Passing dynamic Type into a query

Author  Topic 

RaghaSM
Yak Posting Veteran

52 Posts

Posted - 2009-03-10 : 13:16:56
Hi All,

I have four differnt dates in my table - AddedDate, UpdatedDate, DeletedDate, SubmiitedDate .

When the user selects the date range and the datetype ( above mentioned four types)they should be able to view the relevant data.

I am writing a stored proc that has input parameters - type ,startdate and enddate. Also this stored procedure data has to retrived by creating so many temporary tables inside the stored proc and uses so many joins ( this would be around 40 lines ) ....but only condition that should vary shopuld be for the type of date they selected.

i.e., when provided the type - "Addeddate" and start abnd enddates. the only where condition changes something like this-

" where addeddate between @startdate and @enddate"

similarly applies for the other date types..
currently the only process I know to implement is :

writing the if conditions and writing the same set of code for all the date types with a different where condition.

I am sure that there would be a better approach instead of this redundancy.. can somebody please help me by guiding how to proceed?

Your help would be very much appreciated.
Thanks.




visakh16
Very Important crosS Applying yaK Herder

52326 Posts

Posted - 2009-03-10 : 13:21:51
no if conditions needed. just use the following where condition:-

...
WHERE (addeddate between @startdate and @enddate OR type<> 'AddedDate')
AND (UpdatedDate between @startdate and @enddate OR type<> 'UpdatedDate')
AND (DeletedDate between @startdate and @enddate OR type<> 'DeletedDate')
AND (SubmiitedDate between @startdate and @enddate OR type<> 'SubmiitedDate')
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RaghaSM
Yak Posting Veteran

52 Posts

Posted - 2009-03-10 : 13:39:05
Thanks alot Visakh.. This makes it much easier.
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visakh16
Very Important crosS Applying yaK Herder

52326 Posts

Posted - 2009-03-10 : 13:42:21
welcome
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