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