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  1.  Home
  2. RPG400-L
  3. September 2007

RE: Viewing the resultant SQL in an RPG program

From: Pete Helgren

How are folks debugging SQL statements that have host variables that are
resolved at runtime? Is there a way to debug a RPG program with
embedded SQL so you can see the "resolved" statement as it is passed to
DB2/400? I have an RPG program with embedded SQL that is returning no
rows but when I run a statement that should be similar (the "should be"
is the catch!) in interactive SQL I do get rows returned.

I'd like to "see" what DB2/400 sees when the SQL statement is
processed. Any way to do this ?

Typically I would just set a breakpoint before the statement and examine the
host variables, then execute the statement in STRSQL. For example, if I
have "SELECT PRICE FROM ITEMS WHERE ITMNO BETWEEN :TOP and :BOTTOM", then I
would stop there, examine TOP and BOTTOM, and then type it in.

There are issues with this, especially with quotes, but in general it works
very well. What are you having a problem with, Pete?

Joe



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