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 PostgreSQL Training, Services and Support -- Sent via pgsql-performance mailing list (pgsql-performance@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-performance
