Method DebugString

be/src/exprs/agg-fn.cc:187–195

}

string AggFn::DebugString() const {
  stringstream out;
  out << "AggFn(op=" << agg_op_;
  for (ScalarExpr* input_expr : children()) {
    out << " " << input_expr->DebugString() << ")";
  }
  out << ")";
  return out.str();
}

string AggFn::DebugString(const vector<AggFn*>& agg_fns) {
  stringstream out;