Sergey Shelukhin wrote
> Due to presence of a large number of historical installations {doing such
> and such} is not viable.
Yeah, PostgreSQL faces this same issue....
If you intend to stay here long, and we hope you do (welcome by the way), it
is customary to bottom-post on these lists.
One other thought is that exception generation and handling is expensive.
It probably is a fair trade-off - since the ORM is already slow the added
overhead of the failing optimization query shouldn't be that noticeable.
Failure means either bad code or incorrect pre-conditions; both of which
should be explicitly checked and reported on. If those checks fail the
system can auto-configure to use the backup (ORM) channel instead of the
primary (optimized) channel.
David J.
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