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  3. August 2004

Re: iSeries Deleted Record Question


On 31/08/2004, at 6:36 AM, Mike wrote:

My question is this: Does a record that is deleted constitute a NULL value
in the file? The file in question is showing 4 deleted records. I keep
seeing a CPF5009 message (duplicate record key in member) in job logs that
touch this file. 

No, a deleted record is deleted and no longer in any index.

Of course if your application doesn't really delete but flags records as deleted by setting some flag field to a magic value then the record still exists and will be in an index and could cause duplicates.

The same is true if your application tries to set the fields of deleted records to null either explicitly or via a constraint.

The message indicates that an application tried to add a new record with a key that matches an existing record, or tried to update the key fields of an existing record such that they match another existing record.

The second level text of the message tells you which records are the culprits so you can determine what the key values are by examining the existing record.

Regards,
Simon Coulter.
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