datafusion-geo Add geo functionality extension to datafusion query engine. Goals Support multiple wkb dialects Provide DataFusion user defined functions similar with PostGIS P.S. Please see each function unit test to know how to use them. Useful Links Ewkb format: https://github.com/postgis/postgis/blob/master/doc/ZMSgeoms.txt PostGIS functions: https://postgis.net/docs/manual-dev/PostGIS_Special_Functions_Index.html