Tom,
> > Hmmm .... thinking about it logically, shouldn't the database engine be
> > able to use an index on a single column either backwards or forwards?
>
> Sure, but he wanted a sort with the first column in ascending order and
> the second in descending order. You can't get that by scanning an index
> that has both columns in the same order...
Aha. I see the problem. My approach would be to use two seperate
indexes, but maybe that's not sophisticated enough :-)
And, Tom, you're working too hard again. It's Saturday. Go home.
-Josh Berkus (Who is home, just VPN'ing into my office).
--
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