[postgis-users] GeomUnion to dissolve polygon borders

[strk at refractions.net]

On Tue, May 17, 2005 at 01:31:38AM -0400, Bill Binko wrote:
> On Tue, 17 May 2005, Matthew Perry wrote:
..
> >  CREATE INDEX cveg_geom_index ON cveg
> >    USING GIST ( the_geom GIST_GEOMETRY_OPS ); 
> >  CREATE INDEX cveg_covertype_index ON cveg (covertype);
> >  VACUUM ANALYZE cveg;

...

> Someone more expert on PostGIS might know whether or not the spatialnindex
> will be used by GeomUnion. 

spatial index will only be used by the && operator.

--strk;