>>> Bruce Momjian <br...@momjian.us> wrote: > Where are we on this: the original patch, and Kevin's slow queries? Robert's patch is not the cause of the 8.4 problems with my queries, and (as Robert pointed out) a separate thread has been started to discuss those issues. >From my perspective, Robert's patch has improved plan time in every test of a complex query that I've run. I have compared plans for some queries with and without the patch, and in when I have done so the EXPLAIN output has been byte-for-byte identical, it just got to that plan faster. In this post: http://archives.postgresql.org/pgsql-hackers/2009-02/msg00118.php Tom points out that the additional optimizations included in 8.4 can increase plan time a bit, "So there might be an argument for installing Robert's optimization or something like it in 8.4 to buy some of that back, rather than waiting for 8.5." -Kevin
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