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Message Posted: Tue, 29 Apr 2008 @ 22:37:54 GMT


     
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Subj:   Re: Case Statement and Crystal Reports
 
From:   Fred W Pluebell

The result of a CASE expression must be a scalar value; it can't be used to select which of two conditional expressions to apply. But you can evaluate different expressions within each WHEN/ELSE alternative, something like this:

     {WHERE}
     (case when (extract(day from current_date)) = 1 then
     CASE WHEN
     (SNPSHT_DT between (add_months((current_date-
     extract(day from current_date)+1),-1)) and (current_date -
     extract(day from current_date)))
     THEN 'T' ELSE 'F' END
       Else
     CASE WHEN
     (SNPSHT_DT >(current_date - extract(day from
     current_date)))
     THEN 'T' ELSE 'F' END
       end)
     ='T'


     
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