Someone in the community could consider building an extension for GIS functions, some projects that look relevant:
where is a big need to query PostGIS thru Spark with its spatial functions:
https://stackoverflow.com/questions/48305560/how-to-enable-postgis-query-in-spark-sql
See Spark Package Comparison
here is the package that I built:
Right, we recommend using https://github.com/harryprince/geospark
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See Spark Package Comparison
here is the package that I built:
https://github.com/harryprince/geospark