This is probably due to DBIx::SearchBuilder being only version 0.79.
0.80 is only available via CPAN, did not see it in the devel/ directory 
of bestpractical's download area.
This certainly resolved my QuickSearch problem. The MySQL problems 
persist...
Regards,
     Harald Wagener
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Harald Wagener * FCB/Wilkens * An der Alster 42 * 20099 Hamburg