message: Re-enable parallelism for FP sums
diff: @@ -205,11 +205,10 @@ void SumFun::RegisterFunction(BuiltinFunctions &set) {
  sum.AddFunction(GetSumAggregate(LogicalType::BIGINT));
  sum.AddFunction(GetSumAggregate(LogicalType::HUGEINT));
  // float sums to float
  + // FIXME: implement http://ic.ese.upenn.edu/pdf/parallel_fpaccum_tc2016.pdf for parallel FP sums
  sum.AddFunction(AggregateFunction::UnaryAggregate<numeric_sum_state_t, double, double, NumericSumOperation>(
  LogicalType::DOUBLE, LogicalType::DOUBLE));
  - // for now disable combine on all FP sums (FIXME: implement http://ic.ese.upenn.edu/pdf/parallel_fpaccum_tc2016.pdf)
  - sum.functions[2].combine = nullptr;
  set.AddFunction(sum);
  }
  