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SQL case if field has a space?

Posted on 2009-04-09
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Last Modified: 2012-05-06
Hi. The code below works. The problem that I have is that there are some parts that have a space in the Revision_ID field. If there is a space I would like it to put REV. - in the field. How can I use a case to filter these?
CASE(REVISION_ID)
 

              WHEN NULL THEN ' REV. -'
 

	      ELSE ' REV. ' + REVISION_ID

          

              END

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Question by:D4430
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LVL 25

Accepted Solution

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reb73 earned 250 total points
ID: 24110010
Like this?

CASE(REVISION_ID)
               WHEN NULL THEN ' REV. -'
              WHEN ' ' THEN ' REV. -'
              ELSE ' REV. ' + REVISION_ID
END
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LVL 39

Assisted Solution

by:BrandonGalderisi
BrandonGalderisi earned 250 total points
ID: 24110103
' REV. ' + CASE when REVISION_ID is null then '-'
                     when ltrim(revision_id) = '' then '-'
                     else ltrim(str(revision_id))
             end


if revision_id is a NOT an int or other number field, change this:
else ltrim(str(revision_id))

to:
else revision_id
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Author Comment

by:D4430
ID: 24110121
Thanks it is now working when there is a space. I still need to refine it because if Revision_ID is null then the result is Null also. Any ideas?
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LVL 25

Expert Comment

by:reb73
ID: 24110259
I believe you tried my solution, which won't quite work as WHEN NULL doesn't quite work as expected..

Try Brandon's solution (24110103) which should work..
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Author Closing Comment

by:D4430
ID: 31568664
Thanks for your help today.
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