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If the new fields are defined with a default value, writes from a program that does not reference the fields will automagically put the default value into the new records. Will not affect updates.
Chris Bipes
Director of Information Services
CrossCheck, Inc.
-----Original Message-----
From: MIDRANGE-L <midrange-l-bounces@xxxxxxxxxxxxxxxxxx> On Behalf Of Justin Taylor
Sent: Friday, January 29, 2021 10:31 AM
To: MIDRANGE-L <midrange-l@xxxxxxxxxxxxxxxxxx>
Subject: Re: LVLCHK(*NO)
In my experience, existing read-only programs are unaffected. Existing programs that use RLA to do inserts/updates can fail, usually when a new numeric column is added. Since the program I/O buffer doesn't know about those new columns, it can't ensure valid data per the column data type.
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