Excerpts from Robert Collins's message of 2014-03-01 14:26:57 -0800: > On 1 March 2014 13:28, Clint Byrum <cl...@fewbar.com> wrote: > > > +1. A Keystone record belongs to Keystone, and it should have a Keystone > > ID. External records that are linked should be linked separately. > > > > It may not be obvious to everyone, but MySQL uses B-trees for indexes. > > B-trees cannot have variable-length keys. > > Hmm, B-Trees and B+-Trees both can have variable length keys. I'll > accept an assertion that MySQL index B-trees cannot - but we should be > precise here, because its not a global limitation. >
Sorry, I misspoke, _InnoDB's_ b-tree's cannot have variable length keys. :-P _______________________________________________ OpenStack-dev mailing list OpenStack-dev@lists.openstack.org http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev