Method eval

bolt/dwio/common/MetadataFilter.cpp:241–264

}

void MetadataFilter::eval(
    std::vector<std::pair<const LeafNode*, std::vector<uint64_t>>>&
        leafNodeResults,
    std::vector<uint64_t>& finalResult) {
  if (!root_) {
    return;
  }
  LeafResults leafResults;
  for (auto& [leaf, result] : leafNodeResults) {
    BOLT_CHECK_EQ(
        result.size(),
        finalResult.size(),
        "Result size mismatch: {}",
        leaf->field().toString());
    BOLT_CHECK(
        leafResults.emplace(leaf, &result).second,
        "Duplicate results: {}",
        leaf->field().toString());
  }
  const auto bitCount = finalResult.size() * 64;
  if (auto* combined = root_->eval(leafResults, bitCount)) {
    bits::orBits(finalResult.data(), combined, 0, bitCount);
  }
}

std::string MetadataFilter::toString() const {
  return !root_ ? "" : root_->toString();