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). Regards, Jeff Davis ---------------------------(end of broadcast)--------------------------- TIP 4: Have you searched our list archives? http://archives.postgresql.org