paleolimbot opened a new issue, #819:
URL: https://github.com/apache/sedona-db/issues/819

   Most mechanical extractors (e., number of geometries, is empty) that can 
support geography already do via the `is_geometry_or_geography()` matcher. 
Transformers (that output the same type they input) aren't quite supported yet 
in many cases. A few that can be implemented trivially:
   
   - st_dump
   - st_force_dim functions
   - st_flipcoordinates
   - st_geometryn
   - st_interiorringn
   - st_reverse
   - st_start_point
   - st_pointN
   
   Some of the GEOS functions are structural (could possibly be reimplemented 
in sedona-functions for speed but could also be left as is and given a 
geography matcher)
   
   - st_numpoints (maybe this is repeated from  sedona-functions? or could be 
easily ported)
   - st_numinteriorrings (could probably be easily ported to sedona-functions)
   - st_nrings (could probably be easily ported to sedona-functions)
   - st_isring
   - st_boundary


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