-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 On Wed, Nov 5, 2008 at 8:20 AM, Tom Lane wrote: > Joshua Tolley writes: >> On Mon, Oct 20, 2008 at 03:42:49PM -0700, Lawrence, Ramon wrote: >>> We propose a patch that improves hybrid hash join's performance for large >>> multi-batch joins where the probe relation has skew. > >> I also recommend modifying docs/src/sgml/config.sgml to include the >> enable_hashjoin_usestatmcvs option. > > If the patch is actually a win, why would we bother with such a GUC > at all? > > regards, tom lane
Good point. Leaving it in place for patch review purposes is useful, but we can probably lose it in the end. - - Josh / eggyknap -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.9 (GNU/Linux) Comment: http://getfiregpg.org iEYEARECAAYFAkkRujsACgkQRiRfCGf1UMNSTACfbpDSQn0HGSVr3jI30GJApcRD YbQAn2VZdI/aIalGBrbn1hlRWPEvbgV5 =LKZ3 -----END PGP SIGNATURE----- -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
