R-JunmingChen commented on code in PR #37100:
URL: https://github.com/apache/arrow/pull/37100#discussion_r1477263730
##########
cpp/src/arrow/compute/kernels/aggregate_basic_internal.h:
##########
@@ -1033,4 +1043,109 @@ struct MinMaxInitState {
}
};
+template <SimdLevel::type SimdLevel>
+struct DictionaryMinMaxImpl : public ScalarAggregator {
+ using ThisType = DictionaryMinMaxImpl<SimdLevel>;
+
+ DictionaryMinMaxImpl(const DataType& in_type, std::shared_ptr<DataType>
out_type,
+ ScalarAggregateOptions options)
+ : options(std::move(options)),
+ out_type(std::move(out_type)),
+ has_nulls(false),
+ count(0),
+ value_type(checked_cast<const DictionaryType&>(in_type).value_type()),
+ value_state(nullptr) {
+ this->options.min_count = std::max<uint32_t>(1, this->options.min_count);
+ }
+
+ Status Consume(KernelContext* ctx, const ExecSpan& batch) override {
+ if (batch[0].is_scalar()) {
+ return Status::NotImplemented("No min/max implemented for
DictionaryScalar");
+ }
+ RETURN_NOT_OK(this->InitValueState());
+
+ DictionaryArray dict_arr(batch[0].array.ToArrayData());
+ ARROW_ASSIGN_OR_RAISE(auto compacted_arr,
dict_arr.Compact(ctx->memory_pool()));
Review Comment:
sure
--
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.
To unsubscribe, e-mail: [email protected]
For queries about this service, please contact Infrastructure at:
[email protected]
