Method resetAggregateGroup

bolt/exec/AggregateWindow.cpp:133–141

  }

  void resetAggregateGroup() {
    aggregate_->clear();
    if (aggregateInitialized_) {
      aggregate_->destroy(folly::Range(&rawSingleGroupRow_, 1));
    }
    aggregate_->initializeNewGroups(
        &rawSingleGroupRow_, std::vector<vector_size_t>{0});
    aggregateInitialized_ = true;
  }

  void apply(
      const BufferPtr& /*peerGroupStarts*/,