Re: new correlation metric

Hi Jeff,

I've been assigned to do an initial review of your "new correlation
metric" patch.

If I'm grokking the thread, it looks like Tom suggested a substantial
change in the approach (targetting per-index correlation rather than
per-column) [1], and although you agreed with the spirit of his
suggestion[2], there hasn't been a new version of the patch submitted
in response.

The result is, I'm not really sure how I should direct my effort here.Is it worth me reviewing the patch as it stands,
orshould I hold off
 
until a new version has been prepared, incorporating Tom's comments?

Cheers,
BJ

[1] http://archives.postgresql.org/pgsql-hackers/2008-10/msg01284.php
[2] http://archives.postgresql.org/pgsql-hackers/2008-10/msg01287.php