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  3. February 2008

RE: DDS modernization - use of REFFLD

Mike,

Yes, the DSPFFD will work correctly, but DDL-defined tables do not carry
the REFFLD attribute on their column defs.

In the situation I was describing, the REFFLD attribute is key to
determining which printer files and display files could be affected by the
increased field length.

JK

-----Original Message-----
From: midrange-l-bounces@xxxxxxxxxxxx [mailto:midrange-l-
bounces@xxxxxxxxxxxx] On Behalf Of Mike Cunningham
Sent: Friday, February 29, 2008 11:48 AM
To: 'midrange-l@xxxxxxxxxxxx'
Subject: RE: DDS modernization - use of REFFLD

We are still DDS also but I think all the IBM tools like DSPFFD don't care
of the table was created using DDS or DDL. DSPFFD still shows the same
results. And your actually talking about scanning display and printer
files which have nothing to do with DDL. A DSPFFD against a printer file
that used fields from DDS defined tables and DDL defined tables will look
the same.

-----Original Message-----
From: midrange-l-bounces@xxxxxxxxxxxx [mailto:midrange-l-
bounces@xxxxxxxxxxxx] On Behalf Of JK
Sent: Friday, February 29, 2008 12:42 PM
To: midrange-l@xxxxxxxxxxxx
Subject: DDS modernization - use of REFFLD

All,

Yesterday I received a change request that requires an existing PF field
to
be increased in size. The actual program changes are trivial - the main
effort will be to identify which display files and printer files use that
field and verify that no other information will be overlaid by the new,
longer field.

Even if we didn't have a cross-reference utility, in our DDS-defined
system
this would be fairly simple - dump the DSPFFD to an outfile and query for
the appropriate REFFLD.

Without a utility, I'm not sure how you'd do the equivalent task in a
DDL-defined system. Query the column-label or column-text and hope that
the
designer specified everything consistently?

This is not intended as a criticism of DDL, I'm only trying to understand
how you DDL-guys tackle situations like this. If we end up redefining
everything in DDL, what other things should we watch out for?

Many thanks, JK

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