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Implement custom "collectors" for UDT #3327

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gregleleu opened this issue Mar 16, 2023 · 0 comments
Open

Implement custom "collectors" for UDT #3327

gregleleu opened this issue Mar 16, 2023 · 0 comments
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enhancement sedona

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@gregleleu
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I'm working on an extension (apache.sedona) that relies on GeometryUDT (among others).

Currently, on collect, the UDT columns give a list-column on jobj pointing back to Spark.
Is there a way to register as part of the extension additional "collectors" so that the elements are actually brought into R?
The idea would be to automatically trigger the conversion of the GeometryUDT to text or binary (WKT or WKB formats) before collection.
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@gregleleu @edgararuiz