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  2. RPG400-L
  3. January 2008

Re: Checking for dupe key on WRITE

On Jan 9, 2008 3:03 PM, Bradley V. Stone <bvstone@xxxxxxxxxxxx> wrote:

hopefully if you're writing to a file (or updating) you're using your only
single unique access path (you do only have one, right? if not... ugh!)



Well, it really doesn't matter. As others pointed out, unless you have a
lock on the table the precludes any other updaters, there is no guarantee
that another process won't write the "new" key value between your test for
existence and your insert. So you really need to handle duplicate key
error.


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