ARROW-8938: [R] Provide binding for arrow::compute::CallFunction#7279
ARROW-8938: [R] Provide binding for arrow::compute::CallFunction#7279nealrichardson wants to merge 7 commits intoapache:masterfrom
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| i <- Array$create(i) | ||
| } | ||
| if (inherits(i, "ChunkedArray")) { | ||
| # Invalid: Kernel does not support chunked array arguments |
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@wesm I didn't see a JIRA for this but admittedly there are a lot attached to the umbrella ticket so I may have missed it. Is there one for supporting Take with ChunkedArrays (as either the first and/or second argument)? Likewise for Take/Filter on RecordBatch and Table.
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wesm
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Cool, this should be helpful to simplify exposing compute functionality
Co-authored-by: Benjamin Kietzman <[email protected]>
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Thanks for doing this
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Some small comments. This looks OK to me modulo CI
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| std::shared_ptr<arrow::compute::FunctionOptions> make_compute_options( | ||
| std::string func_name, List_ options) { | ||
| if (func_name == "filter") { |
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Nit: might want to put these function names in constants or defines (doesn't need to be done this patch)
r/src/scalar.cpp
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| #include <arrow/scalar.h> | ||
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| // [[arrow::export]] | ||
| std::shared_ptr<arrow::Scalar> Array__GetScalar(const std::shared_ptr<arrow::Array>& x, int64_t i) { |
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I removed the bespoke Scalar__create logic in favor of reusing the Array logic, like we are doing on the scalar-to-vector side. Scalar$create creates a length-1 Array and takes the 0th element as a Scalar. This added support for nested types as Scalar for free, and prevents other inconsistencies from arising.
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There's more to do but this is enough to provide a foundation for future compute work in R. |
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+1 |
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