if o.dateentered (datetime) does not exist then use y.dateentered

try

select *, case 
	when resultcode = 'Canceled' then 'Payment Processed' 
	when resultcode = 'Completed' then 'Payment Processed' 
	when resultcode = 'confirmed' then 'Payment Processed' 
	when resultcode = 'Denied' then 'Payment Processed' 
	when resultcode = 'Pending' then 'Payment Processed' 
	when resultcode = 'unconfirmed' then 'Payment Processed' 
	when resultcode = '' and (debit is null or ISNUMERIC(debit) = 0 or cast(debit as money) >=0) then 'Payment Processed' 
	when resultcode = '' and debit is not null and ISNUMERIC(debit) = 1 and CAST(debit as money)<0 then 'Refunded' 
	when resultcode = 'Canceled_Reversal' then 'Refunded' 
	when resultcode = 'Reversed' then 'Refunded' end as resultcodetype ,
	debit - convert(money, paymentfee) as 'netamount',
	y.email as pemail 
from payments y 
left join orders o on o.orderid=y.orderid 
where (o.statusid!=8 or o.statusid is null) 
and case 
      when o.dateentered IS null then 
        y.dateentered
      else
        o.dateentered
      end
      between '09/01/2010' and '03/15/2011' 
and ((y.orderid=0) or (itemid=0 and y.orderid>0) or 1=0 or 1=0) 
order by case when o.dateentered IS null then y.dateentered else o.dateentered end desc

Select allOpen in new window

use ISNULL as

ISNULL(o.dateentered, y.dateentered)

select *, case when resultcode = 'Canceled' then 'Payment Processed'
                        when resultcode = 'Completed' then 'Payment Processed'
                        when resultcode = 'confirmed' then 'Payment Processed'
                        when resultcode = 'Denied' then 'Payment Processed'
                        when resultcode = 'Pending' then 'Payment Processed'
                        when resultcode = 'unconfirmed' then 'Payment Processed'
                        when resultcode = '' and (debit is null or ISNUMERIC(debit) = 0 or cast(debit as money) >=0) then 'Payment Processed'
                        when resultcode = '' and debit is not null and ISNUMERIC(debit) = 1 and CAST(debit as money)<0 then 'Refunded'
                        when resultcode = 'Canceled_Reversal' then 'Refunded'
                        when resultcode = 'Reversed' then 'Refunded' end as resultcodetype ,
                  debit - convert(money, paymentfee) as 'netamount',y.email as pemail
from payments y
      left join orders o on o.orderid=y.orderid
where (o.statusid!=8 or o.statusid is null) and ISNULL(o.dateentered, y.dateentered)  between '09/01/2010' and '03/15/2011' and ((y.orderid=0) or (itemid=0 and y.orderid>0) or 1=0 or 1=0)
order by dateentered desc

y.dateentered always exists



o.dateentered is an additional column

do not use o.dateentered in the between date1 and date2

Are you looking for this?

SELECT *, 
       CASE 
         WHEN resultcode = 'Canceled' THEN 'Payment Processed' 
         WHEN resultcode = 'Completed' THEN 'Payment Processed' 
         WHEN resultcode = 'confirmed' THEN 'Payment Processed' 
         WHEN resultcode = 'Denied' THEN 'Payment Processed' 
         WHEN resultcode = 'Pending' THEN 'Payment Processed' 
         WHEN resultcode = 'unconfirmed' THEN 'Payment Processed' 
         WHEN resultcode = '' 
              AND ( debit IS NULL 
                     OR ISNUMERIC(debit) = 0 
                     OR CAST(debit AS MONEY) >= 0 ) THEN 'Payment Processed' 
         WHEN resultcode = '' 
              AND debit IS NOT NULL 
              AND ISNUMERIC(debit) = 1 
              AND CAST(debit AS MONEY) < 0 THEN 'Refunded' 
         WHEN resultcode = 'Canceled_Reversal' THEN 'Refunded' 
         WHEN resultcode = 'Reversed' THEN 'Refunded' 
       END                                AS resultcodetype, 
       debit - CONVERT(MONEY, paymentfee) AS 'netamount', 
       y.email                            AS pemail 
  FROM payments y 
       LEFT JOIN orders o 
         ON o.orderid = y.orderid 
 WHERE ( o.statusid != 8 
          OR o.statusid IS NULL ) 
       AND ( ( o.dateentered BETWEEN '09/01/2010' AND '03/15/2011' ) 
              OR ( y.dateentered BETWEEN '09/01/2010' AND '03/15/2011' ) ) 
       AND ( ( y.orderid = 0 ) 
              OR ( itemid = 0 
                   AND y.orderid > 0 ) 
              OR 1 = 0 
              OR 1 = 0 ) 
 ORDER BY dateentered DESC 

Select allOpen in new window

y.dateentered always exists



o.dateentered is an additional column

do not use o.dateentered in the between date1 and date2


maybe
(if o.dateordered doesnt exist use y.dateentered) as date

thanks