K C Lau wrote:
I'm wondering if this performance issue is common enough for other users
to merit a fix in pg, especially as it seems that with MVCC, each of the
data records need to be accessed in addition to scanning the index.
Yes - there are certainly cases where index only access (or something
similar, like b+tree tables) would be highly desirable.
From what I have understood from previous discussions, there are
difficulties involved with producing a design that does not cause new
problems...
regards
Mark
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