Solved

using Coalesce

Posted on 2010-11-30
3
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Last Modified: 2012-05-10
the problem i am having with this procedure is the item number (i.item) for each user store shows up for all userid. BAsically it takes the first userid item number and use it for all userid.
It  not suppose to be the same for each row. It works correctly with a regular join.



DECLARE @userid VARCHAR(MAX)
DECLARE @orderid int
select orderid, ( select  COALESCE(i.Item + '', '') + CASE when i.Quantity < 10 THEN '0' ELSE '' END + cast(i.Quantity AS varchar(3)) + 'A'
 from OrderDetail i
where   t.DateCreated > t.Submitted OR t.Submitted is NULL  for xml path ('') )Item
 , t.userid
  from Orders t
order by t.orderid desc


example.
orderid         item       userid
1                1234567    tony
2                1234567    james
3                1234567    jessy

what i need is.

orderid         item       userid
1                1234567    tony
2                6545654    james
3                5643345    jessy
0
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Question by:sevensnake77
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3 Comments
 
LVL 58

Expert Comment

by:cyberkiwi
ID: 34241169
DECLARE @userid VARCHAR(MAX)
DECLARE @orderid int
select orderid, ( select  COALESCE(i.Item + '', '') + CASE when i.Quantity < 10 THEN '0' ELSE '' END + cast(i.Quantity AS varchar(3)) + 'A'
 from OrderDetail i
where   t.orderid=i.orderid  -- missing this
and t.DateCreated > t.Submitted OR t.Submitted is NULL  for xml path ('') )Item
 , t.userid
  from Orders t
order by t.orderid desc
0
 
LVL 143

Accepted Solution

by:
Guy Hengel [angelIII / a3] earned 500 total points
ID: 34241174
you have to correlate the subquery:
DECLARE @userid VARCHAR(MAX) 
DECLARE @orderid int
select orderid, ( select  COALESCE(i.Item + '', '') + CASE when i.Quantity < 10 THEN '0' ELSE '' END + cast(i.Quantity AS varchar(3)) + 'A'
 from OrderDetail i
where  i.OrderID = t.OrderID
  AND ( t.DateCreated > t.Submitted OR t.Submitted is NULL )
  for xml path ('')    
)Item
 , t.userid 
  from Orders t
order by t.orderid desc

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0
 
LVL 9

Author Closing Comment

by:sevensnake77
ID: 34241232
thanks again my friend
0

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