Function getFlatFilterResult

bolt/exec/HashProbe.cpp:1367–1384

    for (int i = 0; i < numRows; ++i) {
      if (filterInputRows_.isValid(i) &&
          !nonNullInputRows_.isValid(rawMapping[i])) {
        filterInputRows_.setValid(i, false);
      }
    }
    filterInputRows_.updateBounds();
  }
}

namespace {

const uint64_t* getFlatFilterResult(VectorPtr& result) {
  if (!result->isFlatEncoding()) {
    return nullptr;
  }
  auto* flat = result->asUnchecked<FlatVector<bool>>();
  if (!flat->mayHaveNulls()) {
    return flat->rawValues<uint64_t>();
  }
  if (!flat->rawValues<uint64_t>()) {
    return flat->rawNulls();
  }