Hi all,
I am trying to use a geometry binary predicate (ST_Intersects) in
ExecuteSQL() with the SQLite dialect and keep getting back an
"ST_Intersect function does not exist" error back from SQLite.
GDAL is built with SpatiaLite (HAVE_SPATIALITE is defined), but I
believe the problem is that SpatiaLite is built without GEOS in our
case, so those predicate functions end-up not being available in
SpatiaLite. The end result is that OGRSQLiteRegisterSQLFunctions does
not add the OGR-based predicate functions as SpatiaLite is present, but
SpatiaLite does not contain the predicate functions.
I would build SpatiaLite with GEOS support, but unfortunately its LGPL
licensing is too restrictive for our application. So, would it make
sense to change the logic in OGRSQLiteRegisterSQLFunctions to account
for the case of SpatiaLite being built without GEOS?
André
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