Add Mixed Geometry Column #1106
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Initial draft PR to build statically linked cuspatial wheels. Closes rapidsai#869. Authors: - Paul Taylor (https://github.com/trxcllnt) - Michael Wang (https://github.com/isVoid) Approvers: - H. Thomson Comer (https://github.com/thomcom) - Bradley Dice (https://github.com/bdice) - Ray Douglass (https://github.com/raydouglass) - Mark Harris (https://github.com/harrism) - Vyas Ramasubramani (https://github.com/vyasr) URL: rapidsai#1148
…into feature/mixed_geometry_column
…into feature/mixed_geometry_column
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Description
This is an initial introduction of mixed geometry column.
A mixed geometry column is a specialization of arrow's dense union layout column. It doesn't allow arbitrary types defined for the column but is always strongly typed for all 6 commonly used geometry types in cuspatial: points, linestrings, polygons, multipoints, multilinestrings, multipolygons.
Type codes is also fixed to what's defined in
cuspatial/types.hpp. The actual value of these can be retrieved by casting the enum type tomixed_geometry_type_t.closes #1057
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