Jeff Davis wrote:
No surprise here, as you and Bruce have already pointed out.
If we wanted to reduce the occurrence of this phenomena, we could
perhaps "time out" the hints so that it's impossible to pick up a hint
from a scan that finished 5 minutes ago.
It doesn't seem helpful to further obscure the non-determinism of the
results, however.
I agree it's probably not a good idea to try masking this. It'll just
make it harder to hit the issue in testing, so that you run into it in
production.
--
Heikki Linnakangas
EnterpriseDB http://www.enterprisedb.com
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