In article <[EMAIL PROTECTED]>,
 [EMAIL PROTECTED] (Andrew Sullivan) wrote:

> On Thu, Oct 12, 2006 at 08:34:45AM +0200, Florian Weimer wrote:
> > 
> > Some statistics are very hard to gather from a sample, e.g. the number
> > of distinct values in a column.

> I like the suggestion, though, that there be ways to codify known
> relationships in the system in such a way that the optimizer can
> learn to use that information.  

Since there is already a genetic-algorithm based optimizer, is there any 
way to use that to gather information to improve statistics?

For example, put the GA optimizer into a mode where it tries some of the 
plans it comes up with and collects data on how they perform?


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