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Case Statement in SQL Delminted Query

Posted on 2016-09-09
9
68 Views
Last Modified: 2016-09-15
I have the following case statement in my sql delimited query:
       ||(CASE
          WHEN emp.emp_status in ('FB','PN','PB','LW','LP','LS','LT','LE','LI','WA') THEN 'A'
          WHEN emp.emp_status in ('LF','LM','LO','LU','LA','LR') THEN 'L'
           ELSE null
          END

Although the result is just 1 character, per the vendor spec, it needs to be a length of 20.
How would I write that?
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Question by:metalteck
9 Comments
 
LVL 74

Expert Comment

by:sdstuber
ID: 41791992
is this for oracle?

and, do you want the result to be left padded, right padded, centered, other?
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Author Comment

by:metalteck
ID: 41792189
Yes, its for oracle and left padded is ok.
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LVL 48

Accepted Solution

by:
PortletPaul earned 500 total points
ID: 41792267
LPAD( case expression ... end, 20 )

 By default lpad will add spaces up to the wanted length.

RPAD() is for right padding
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LVL 23

Expert Comment

by:David
ID: 41792305
Hi MetalTech, I am simply curious about the business rule behind this fixed length field. It stirs memories of twentieth-century COBOL. Thanks for any insight.
0
 

Author Comment

by:metalteck
ID: 41792794
@dvz, its funny that you mention Cobol. the original program is written in program, but the specifics the vendor has asked for regarding the extract, I'm forced to use oracle sql.
The vendor's specs require that each specified field have a length as well as start and end position.
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LVL 32

Expert Comment

by:awking00
ID: 41794453
What is the data type and scale of emp.emp_status?
0
 

Author Comment

by:metalteck
ID: 41794457
Emp Status is Char and 2 byte
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LVL 32

Expert Comment

by:awking00
ID: 41794857
So should those values show up at positions 1:2 or 19:20 for your vendor?
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