Support input/output to/from polars via python (not native rust) #2849
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Signed-off-by: Tim Paine <3105306+timkpaine@users.noreply.github.com>
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Signed-off-by: Andrew Stein <steinlink@gmail.com>
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Nov 18, 2024
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This is a naive rust implementation of conversion to/from polars. I describe it as “naive” as it incurs an “extra” copy of polars-wrapped arrow table to binary buffer to perspective.
A test suite is included, copied from pandas but omitting some pandas-specific functionality, and skipping some stuff that might warrant a further look (polars converts to several arrow types that we don’t currently support).
Some initial TODOs:
LazyFrame