On Tue, 2009-05-19 at 12:36 +0100, Simon Riggs wrote:
> Partially sorted data takes much less effort to sort (OK, not zero, I
> grant) so this seems like a high complexity, lower value feature. I
> agree it should be on the TODO, just IMHO at a lower priority than some
> other features.
Perhaps its worth looking at a hybrid merge-join/hash-join that can cope
with data only mostly-sorted rather than fully sorted. That way we can
probably skip the partial sort altogether.
--
Simon Riggs www.2ndQuadrant.com
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