[postgis-users] Spatial query questions

[Bill Binko]

On Wed, 4 May 2005 strk at refractions.net wrote:
...
> Bounding boxes comparison: true.
> BBOX are computed for you, either read from cache or computed with full
> geometry scan. 
> All geometry types are supported.

I had a question about this as well: there are methods such as addBBox, 
hasBBox, etc.  If you run addBBox on a column:

update tablename set shape_column = addBBox(shape_column);

Will it help?

Bill