[DISCUSSION] Geo spatial index algorithm improvement and UDFs enhancement

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haomarch

Hi Community,

Now carbondata supports geo spatial index and one query UDF 'InPolygon'.
We plan to optimize the Spatial index feature with three points:

1 reduce the parameters of table properties when creating geo table;
2 add more UDFs and support more complex query scenario;
3 allow user to define the spatial index when 'LOAD' and 'INSERT INTO', and
carbon will still generated the value of spatial index column internally
when user does not give.

I have added an initial v1 design document 'CarbonData Spatial Index Design
Doc.docx' and UDF interface design document 'Carbon Geo UDF Enhancement
Interface Design.docx', please check and give comments/inputs/suggestions.

CarbonData_Spatial_Index_Design_Doc.docx
<http://apache-carbondata-dev-mailing-list-archive.1130556.n5.nabble.com/file/t431/CarbonData_Spatial_Index_Design_Doc.docx>
Carbon_Geo_UDF_Enhancement_Interface_Design.docx
<http://apache-carbondata-dev-mailing-list-archive.1130556.n5.nabble.com/file/t431/Carbon_Geo_UDF_Enhancement_Interface_Design.docx>

Thanks,

Regards,
Shen Jiayu

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