I've implemented the fix to the "Uncles and nephews" bug, in C++ this time. It works beautifully. I have added around 15 regression tests to the suite of tests that are run by the mqltry program, and have tested the new solution with the usual suites of regression tests on some real-life databases. Not only does it give accurate results now, it also is very, very slightly faster as a result of the updates to the code. And it gives the same results as before, except for the queries where other results are expected.

I am so pleased :-).

Ulrik