FIFO doesn't work for transactions in the same second

I have order dependant transactions going into an A.Q in a 8.1.7.4 database.
The default priority is based on time. ENQ_TIME
wgich is a date field. I have transactions going into the que in the same second. They are not comming out in the correct
order when this happens. Oracle 9i v2 supports a more finite timestamp, but when I create a que table in 9iV2,
it still uses the date column type. Has anyone seen this? any workarounds would be apprecieated.

Hi Eric,
If you have specified ordering to be ENQ_TIME, PRIORITY, AQ guarantees that messages enqueued in the same second in the same
session would be FIFO ordered. However, if the messages are enqueued in the same second from different sessions, there is no
ordering guarantee b/w the messages. The workaround is to use Priority. So, priority would determine the ordering for the messages
enqueued in the same second. It would guarantee the right order.
cheers,
Brajesh.

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FIFO doesn't work for transactions in the same second

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