[mapserver-users] SQL equivalent for MapScript queryByRect

Shorthouse, David dshorthouse at eol.org
Mon Dec 20 07:01:50 PST 2010


Hello folks,

First, I'd like to say that I have been enjoying MapServer for many
years and really appreciate the work you guys put into it. I recently
got back into it in more earnest with a pet project for users to
produce print-quality, greyscale point maps...learned some new tricks.

Second, I have project that requires me to query either shapefiles or
spatially indexed tables and produce some simple web service
responses. So, this has to perform very quickly. I am writing to
inquire if anyone knows how one would reproduce in spatial SQL the
exact equivalent of the PHP MapScript queryByShape? I'm starting to
get a mess of SQL with unexpected record sets and am nowhere further
ahead.

e.g. SELECT column FROM table WHERE (WITHIN(GEOMFROMTEXT('WKT'),
the_geom) OR (OVERLAPS(GEOMFROMTEXT('WKT'), the_geom)) etc.

Thanks for any insights,

David P. Shorthouse



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