Notify via Exception when a feature is specifically not supported for compatability

For situations like with http://www.doctrine-project.org/jira/browse/DC-646 would it be possible to look at throwing an exception with an explanation of why it does not work, rather than simply let the query fail because of intentionally incorrect query generation?

Granted, the fix is relatively simple (just select and delete the results, instead), but if I don't know why the wrong query is being made, I don't know to change my approach rather than simply assume I'm doing something wrong.