Indexing dbf files

[Jeff McKenna]

You also might want to check out the section "Spatial and Attribute 
Indexing" on http://www.gdal.org/ogr/drv_shapefile.html (which involves 
using CONNECTIONTYPE OGR in your layer if I remember correctly).

jeff




Travis Kirstine wrote:
> Hi all,
> I am performing a qureybyattribute on serveral shpfiles referanced by
> a tileindex (created with tiles4ms).  The shpfiles have approximately
> 2.5 million records and I am finding the search very slow.  The field
> I am querying is unique.  Is there a way to index the fields or any
> other means  to help speed up the query
> 


-- 
Jeff McKenna
DM Solutions Group Inc.
http://www.dmsolutions.ca