icexelloss commented on code in PR #35514:
URL: https://github.com/apache/arrow/pull/35514#discussion_r1212197973
##########
python/pyarrow/src/arrow/python/udf.cc:
##########
@@ -65,6 +69,26 @@ struct PythonUdfKernelInit {
std::shared_ptr<OwnedRefNoGIL> function;
};
+struct ScalarUdfAggregator : public compute::KernelState {
+ virtual Status Consume(compute::KernelContext* ctx, const compute::ExecSpan&
batch) = 0;
+ virtual Status MergeFrom(compute::KernelContext* ctx, compute::KernelState&&
src) = 0;
+ virtual Status Finalize(compute::KernelContext* ctx, Datum* out) = 0;
+};
+
+arrow::Status AggregateUdfConsume(compute::KernelContext* ctx, const
compute::ExecSpan& batch) {
+ return checked_cast<ScalarUdfAggregator*>(ctx->state())->Consume(ctx, batch);
+}
+
+arrow::Status AggregateUdfMerge(compute::KernelContext* ctx,
compute::KernelState&& src,
+ compute::KernelState* dst) {
+ return checked_cast<ScalarUdfAggregator*>(dst)->MergeFrom(ctx,
std::move(src));
Review Comment:
I think you are right it shouldn't matter. Will remove.
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