For instance, only create if does not exist, or only update if does exist. These cases are more rare, but the default behavior should be obvious so folks don't accidentally assume one of those scenarios.
This can be trivial to check within a transaction — if persist returns an object, you know there was a previous value and can in turn fail the transaction.
For instance, only create if does not exist, or only update if does exist. These cases are more rare, but the default behavior should be obvious so folks don't accidentally assume one of those scenarios.
This can be trivial to check within a transaction — if persist returns an object, you know there was a previous value and can in turn fail the transaction.