[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,
--
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I set the clouds in motion - turn up | Frank Warmerdam, warmerdam at pobox.com
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and watch the world go round - Rush | Geospatial Programmer for Rent
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