Maybe this is a stupid suggestion, but.... have you considered the simple option of adding a unique constraint to the table, to prevent duplicates from happening? You mention in one of the previous posts that this duplication happens quite frequently and someone has to run a script to deduplicate the data.
Just wondering.
Cheers,
Norm.
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Sent from my Android device with K-9 Mail. Please excuse my brevity.
Just wondering.
Cheers,
Norm.
--
Sent from my Android device with K-9 Mail. Please excuse my brevity.