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?

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