On Wed, 2007-08-15 at 06:51 +0100, Heikki Linnakangas wrote:
> What Chris is suggesting is basically a special case of GIT, where all
> the heap tuples represented by an index tuple have the same key. I was
> actually thinking of adding a flag to index tuples to indicate that
> special case in GIT. We could effectively do both.

The bigger difference that I see is that GIT doesn't just group together
ranges of keys, it also groups by heap page number (or a small range of
page numbers, as Simon pointed out). 

        Jeff Davis

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