Function HashAggregateMerge

cpp/src/arrow/compute/kernels/hash_aggregate_internal.h:70–74

}

inline Status HashAggregateMerge(KernelContext* ctx, KernelState&& other,
                                 const ArrayData& group_id_mapping) {
  return checked_cast<GroupedAggregator*>(ctx->state())
      ->Merge(checked_cast<GroupedAggregator&&>(other), group_id_mapping);
}

inline Status HashAggregateFinalize(KernelContext* ctx, Datum* out) {
  return checked_cast<GroupedAggregator*>(ctx->state())->Finalize().Value(out);