wjones127 commented on code in PR #13857:
URL: https://github.com/apache/arrow/pull/13857#discussion_r944930119
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cpp/src/arrow/compute/kernels/vector_selection.cc:
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@@ -530,6 +683,54 @@ Status PrimitiveTake(KernelContext* ctx, const ExecSpan&
batch, ExecResult* out)
return Status::OK();
}
+Status ChunkedPrimitiveTake(KernelContext* ctx, const ExecBatch& batch, Datum*
out) {
+ const ChunkedArray& values = *batch[0].chunked_array();
+ const ChunkedArray& indices = *batch[1].chunked_array();
+
+ if (TakeState::Get(ctx).boundscheck) {
+ RETURN_NOT_OK(CheckIndexBounds(indices, values.length()));
+ }
+
+ // TODO: Is there any reason to chunk the output for primitive arrays?
+ // We probably want to keep within 32-bit sizes for interoperability with
other
+ // implementations.
Review Comment:
I'd welcome some design input on this. How should the output chunking be
structured?
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