[Mapserver-users] OGR Join index

[Richard Greenwood]

Frank Warmerdam wrote:

> Richard Greenwood wrote:
> 
>> I am playing with the OGR Join - pretty sweet, but pretty slow. How 
>> can I create an index on the joined columns where the tables are dbf 
>> files?
> 
> 
> Richard,
> 
> Currently there is no support in the OGR shapefile reader for attribute
> indexes on .dbf files.  So, you are right.  It can be pretty damn slow.
> 
> Best regards,
> 

There is mention of CREATE INDEX in:
   http://gdal.velocet.ca/projects/opengis/ogrhtml/ogr_sql.html
Can you shed any light on that?

Thanks,
-- 
Richard Greenwood
www.greenwoodmap.com