Robert,
> Do you plan on handeling primary key columns differently (since they are
> likely to be unique and indexed) ?
The same as any other indexed column.
> Also how will you handle column that are part of expressional indexes (where
> foo is true for example) ?
See my original proposal. These columns will be ignored. Expressions have
their own stats.
> Final thought... I'm a DBA and I think the straight number is simpler,
though
> could be convinced to go with whichever is higher...
Thanks.
--
-Josh Berkus
Aglio Database Solutions
San Francisco
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