I am not a DB guru, but a failed INSERT sounds like a
pretty big deal to me. Example: (primary_key,b,c,d). If an
insert of that record fails because the primary_key exists,
what about the values of b,c,d? Maybe this "INSERT" had new
values for b,c,d?
I would think that instead of an INSERT, an UPDATE might be
more appropriate in your situation? If the UPDATE fails because no record
with that primary key exists, then you INSERT a brand new record
with that primary key and data fields, otherwise if the UPDATE succeeds, the data fields other than primary are updated.
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