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SQL - How to concatenate a string with condition

Posted on 2012-03-16
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Last Modified: 2012-03-16
I have a table tbl1

Name | account code | Type  | detail
-----------------------------------------------------------------
P1       | 12345              | Open | detail1
P2       | 12341              | Close |

I would like to do a Select that will selectively concatenate the information into a description if the information is available.
e.g

for first record
P1 - 12345 - Open (detail1)
but for second record, no detail being concatenated since it is not available.
P1 - 12341 - Close


How will I do that?
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Question by:tommym121
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4 Comments
 
LVL 40

Expert Comment

by:lcohan
ID: 37731152
It would be something like:


select
      case when [type] = 'closed'
                  then (select Name+account+code+[TYPE])
                  else (select Name+account+code+[TYPE]+detail)
             end as col1
from tbl1
0
 
LVL 40

Accepted Solution

by:
lcohan earned 2000 total points
ID: 37731156
OK - added the dashes and cast in case account column is numeric:


select
      case when [type] = 'closed'
                  then (select Name+'-'+cast(account as sysname)+'-'+code+'-'+[TYPE])
                  else (select Name+'-'+cast(account as sysname)+'-'+code+'-'+[TYPE]+'-'+detail)
             end as col1
from tbl1
0
 
LVL 40

Expert Comment

by:lcohan
ID: 37731158
Darn..."close" not closed so once again - sorry:


select
      case when [type] = 'close'
                  then (select Name+'-'+cast(account as sysname)+'-'+code+'-'+[TYPE])
                  else (select Name+'-'+cast(account as sysname)+'-'+code+'-'+[TYPE]+'-'+detail)
             end as col1
from tbl1
0
 

Author Closing Comment

by:tommym121
ID: 37731838
Thanks
0

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