From: Jeff Smelser Date: June 8 2005 4:11pm Subject: Re: Seriously.. When are we going to get subqueries?! List-Archive: http://lists.mysql.com/mysql/185172 Message-Id: <200506081111.05281.tradergt@gmail.com> MIME-Version: 1.0 Content-Type: multipart/signed; boundary="nextPart1140989.rY8B7s5bZj"; protocol="application/pgp-signature"; micalg=pgp-sha1 Content-Transfer-Encoding: 7bit --nextPart1140989.rY8B7s5bZj Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Content-Disposition: inline On Wednesday 08 June 2005 10:56 am, you wrote: > In the last episode (Jun 08), Jeff Smelser said: > > On Tuesday 07 June 2005 04:22 pm, Kevin Burton wrote: > > > Subqueries in 4.1 are totally broken. They don't use indexes. > > > They're evil. We're told we have subqueries but there's no way > > > anyone on earth could use them. To make matters worse a lot of > > > developers are TRICKED into using them and assume that mysql would > > > do the right thing but its a HUGE performance hit. > > > > Well, have you filed a bug? I just looked and didnt see one.. It > > wouldnt be the first time, however, a bug search function didnt find > > something that was there.. > > There are actually quite a few bugs already filed on subquery > performance: 4975, 7830, 8086, 8414, 9021, 9090, 10309, 10312, 10989, > from a quick search on "+subquery +index". Most have been set to "To > be fixed later". Thats funny.. looks like it will be added to 5.1.. Dunno why they think fix= ing=20 it is adding a feature.. Jeff --nextPart1140989.rY8B7s5bZj Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.1 (GNU/Linux) iD8DBQBCpxiZoOk9EvUvEtgRAjuVAJ4yaXCTZuUO/wMBJHCczIbk0Kx4DQCgrObC bo+7P9FihjvPGzCG/GcUjZg= =Rq5Q -----END PGP SIGNATURE----- --nextPart1140989.rY8B7s5bZj--