Hi community,

Currently, carbon supports IN_POLYGON and IN_POLYGON_LIST udf's, 
where user has to manually provide the polygon points(series of latitude 
and longitude pair), to query carbon table based on spatial index.

This feature will support JOIN tables based on IN_POLYGON udf 
filter, where polygon data exists in a table.

Please find below link of design doc. Please check and give 
your inputs/suggestions. 

https://docs.google.com/document/d/11PnotaAiEJQK_QvKsHznDy1I9tO4idflW32LstwcLhc/edit#heading=h.yh6qp815dh3p


Thanks & Regards,
Indhumathi M



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