> What does EXPLAIN tell you about how the queries are being executed?
> Do you by any chance have the 6.5.3 system still available to compare
> its EXPLAIN output?
I can shuffle directories and reload under 6.5.3 but I need to wait until
todays run of the report finishes. I got bit by the change in the default
date format and had to run it again. As it is I won't be able to do this
until the morning.