Dear all,
Any input about a method to map the current filter functions to Simple
Feature SQL names ?
Best regards
Erwan
Le 07/12/2020 à 16:49, Erwan Bocher a écrit :
Hi,
I have a first prototype to convert SQL expression to Geotools
Expression available as a draft here
https://github.com/orbisgis/orbisgis/pull/1404
Spatial databases use ST_ prefix to define spatial function. e.g
st_area, st_centroid
Geotools expression and filter function doesn't.
I added a workaround in the sql to expression parser to check when the
sql expression contains a "st_" function and rename it to a geotools
representation.
I'd like to known if there is a simple way to aliasing filter function
in geotools and write something like that
st_area(the_geom) >1000 instead of area(the_geom) >1000
best regards
Erwan
--
Ingénieur de Recherche CNRS - HDR,
Laboratoire Lab-STICC – UMR 6285
Equipe DECIDE
Institut Universitaire de Technologie de Vannes
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T: +33 2 97 62 64 92
W: https://cv.archives-ouvertes.fr/erwan-bocher
W: http://www.labsticc.fr
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