Calculating the bbox for points on the fly has zero cost, so that's what we do instead of wasting space duplicating the ordinates a second time. P. On 20-Sep-07, at 6:43 AM, Stephen Crawford wrote: > I have a db with a few million points. I noticed that hasbbox > (the_geom) = > false for these points. Does the gist index require that each these > geometries have a bbox? Should I add a bbox?