Method addInput

bolt/exec/AggregationMasks.cpp:45–72

}

void AggregationMasks::addInput(
    const RowVectorPtr& input,
    const SelectivityVector& rows) {
  for (auto& entry : maskedRows_) {
    SelectivityVector& maskedRows = entry.second;
    maskedRows = rows;

    // Get the projection column vector that would be our mask.
    const auto& maskVector = input->childAt(entry.first);

    // Get decoded vector and update the masked selectivity vector.
    decodedMask_.decode(*maskVector, rows);
    if (decodedMask_.isConstantMapping()) {
      if (decodedMask_.isNullAt(rows.begin()) ||
          !decodedMask_.valueAt<bool>(rows.begin())) {
        maskedRows.setValidRange(rows.begin(), rows.end(), false);
        maskedRows.updateBounds();
      }
    } else {
      rows.applyToSelected([&](vector_size_t i) {
        if (decodedMask_.isNullAt(i) || !decodedMask_.valueAt<bool>(i)) {
          maskedRows.setValid(i, false);
        }
      });
      maskedRows.updateBounds();
    }
  }
}

const SelectivityVector* FOLLY_NULLABLE
AggregationMasks::activeRows(int32_t aggregationIndex) const {