But 99.99% of my child tables have only a single foreign keys linking it to its parent and will not have more. And breaking queries is much better than silently

But 99.99% of my child tables have only a single foreign keys linking it to its parent and will not have more. And breaking queries is much better than silently doing the wrong thing like NATURAL JOIN. For the edge cases it could support taking the name of the foreign key as an optional parameter.