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09.10.2008 at 02:23PM PDT, ID: 23721001
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9.0

Use Result of a Select Case (Col1) in a DiffDate Expression (Col2)

Asked by sfletcher1959 in SQL Query Syntax

Tags:

I have a SELECT that uses a CASE statement to return a value into Column1 that I would like to use as part of the a DiffDate statement that provides a value for Column2. Can I do this? If so, how do I reference the result of the CASE in the DiffDate?

For example:

SELECT OrderNo
, case OrderStatus
     when 'QS' then Date_1
     when 'SH' then Date_2
     when 'PI' then Date_3
     when 'PS' then Date_4 else Date_5 end AS Last_Act_Date
,datediff(day, Last_Act_Date, NOW()) AS Days_Waiting

This, of course, gives me an error so I need to know what is the proper syntax.

Thanks!
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[+][-]09.10.2008 at 02:26PM PDT, ID: 22443268

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[+][-]09.10.2008 at 02:28PM PDT, ID: 22443290

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[+][-]09.10.2008 at 02:35PM PDT, ID: 22443376

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[+][-]09.10.2008 at 02:42PM PDT, ID: 22443461

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[+][-]09.10.2008 at 03:00PM PDT, ID: 22443616

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About this solution

Zone: SQL Query Syntax
Tags: Pervasive SQL Query
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Solution Provided By: angelIII
Participating Experts: 2
Solution Grade: A
 
 
[+][-]09.10.2008 at 03:30PM PDT, ID: 22443830

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[+][-]09.11.2008 at 12:38AM PDT, ID: 22447147

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