[gdal-dev] Enhance attribute index support with OGR SQL queries (shapefile and mapinfo format)

Frank Warmerdam warmerdam at pobox.com
Thu Jul 15 21:54:03 EDT 2010


Tamas Szekeres wrote:
> Folks,
> 
> I've added 2 tickes with working patches to implement reasonable 
> additions to the current (fairly limited) attribute index support.
> 
> Support attribute index scan with the sql 'IN' operator: ticket 3686 
> <http://trac.osgeo.org/gdal/ticket/3686>
> Add attribute index support for the sql queries in mapinfo tab format: 
> ticket 3687 <http://trac.osgeo.org/gdal/ticket/3687>
> 
> 
> I would largely be interested in applying those changes in trunk or 
> probably in the stable branch (considering this as a performance bug fix 
> rather than an enhancement).
> Any further ideas/comments would be helpful.

Tamas,

By all means go ahead in trunk.

Applying the change in the stable branch should be done very cautiously (IMHO).

Best regards,
-- 
---------------------------------------+--------------------------------------
I set the clouds in motion - turn up   | Frank Warmerdam, warmerdam at pobox.com
light and sound - activate the windows | http://pobox.com/~warmerdam
and watch the world go round - Rush    | Geospatial Programmer for Rent



More information about the gdal-dev mailing list