I tried one index on all columns originally, but it didn't help nearly as much as the R*tree. ~Seth
On Aug 4, 2011, at 10:26 AM, Simon Slavin wrote: > > On 4 Aug 2011, at 5:13pm, Seth Price wrote: > >> They were all simple indices on one or more columns, so if you have an idea >> on a more complex index, I'd apply it and test it out. > > That's not going to be much use, is it ? A single SELECT which tests all > those different columns can only use one index, and if it chooses any of > those indexes it will help only with one column. > > Seems like you need one index on all the columns mentioned in your SELECT. > But save yourself some time and effort and try one with just five of the > columns first. See if that speeds things up. Delete all the indexes on just > one column. > > Simon. > _______________________________________________ > sqlite-users mailing list > sqlite-users@sqlite.org > http://sqlite.org:8080/cgi-bin/mailman/listinfo/sqlite-users _______________________________________________ sqlite-users mailing list sqlite-users@sqlite.org http://sqlite.org:8080/cgi-bin/mailman/listinfo/sqlite-users