On Aug 18, 2008, at 12:21 PM, Thomas Sailer wrote: > > The following query, however, takes a long time (almost half a > minute): > select * from mapelements,mapelements_rtree where > mapelements_rtree.NELAT>=79000000 and > mapelements_rtree.SWLAT<=80000000 and > mapelements_rtree.NELON>=79000000 and > mapelements_rtree.SWLON<=80000000 and > mapelements.ID=mapelements_rtree.ID;
Please try changing the last term as shown below (add a "+" before the r-tree ID column): mapelements.ID = +mapelements_rtree.ID Let us know what happens to performance. D. Richard Hipp [EMAIL PROTECTED] _______________________________________________ sqlite-users mailing list sqlite-users@sqlite.org http://sqlite.org:8080/cgi-bin/mailman/listinfo/sqlite-users