DB2 [AS/400] Stored Procedure - using LIKE '%' in WHERE clause not working

Everyone,

The following Stored Proc Selects Data via  cursor, then proceeds to DELETE data from three tables with the same key  - including the same table from which the key originated.

here is my query below:

    DECLARE cursor1 CURSOR FOR  
                select   a.TRTRNO as AuditTranNumber
                   , a.TRRXNO as ClaimNumber
                   , a.TRRXSQ as ClaimSeq
            FROM PSIAUDIT.AUTRAN a
             WHERE IFNULL(a.TRSCOR, 0)   BETWEEN   TRAN_SCORE_FROM   AND   TRAN_SCORE_TO
               AND IFNULL(a.TREDAT, 19000101)   BETWEEN DATE_FROM         AND   DATE_TO
               AND IFNULL(a.TRASNN, '')  LIKE USER_NAME;


Focusing on the last line (LIKE USER_NAME . . .  CHAR(10) b.t.w.)
1)  I pass in '%'  or  'LNAME_FN'  and I get nothing  (no results returned, nothing deleted)

2) When I comment out this line the Stored proc does what it is supposed to do and deletes the data.  (aka. data was returned in the cursor.)

3) i run the above as a SELECT (as-is  except I hard code the params) in iSQL and it returns data.  So something is awry.


So, given the above:
1) What is wrong with this query from a Stored proc perspective?
2) How can I leave in the USER_NAME column in case I want to delete by that icriteria as well as the other column criteria?

thanks for your help
fshtankAsked:
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EE_AutoDeleterCommented:
fshtank,
Because you have presented a solution to your own problem which may be helpful to future searches, this question is now PAQed and your points have been refunded.

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fshtankAuthor Commented:
hey Guys,

I solved my problem by converting incoming Parameter  USER_NAME from CHAR(10) to VARCHAR(10).

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