Function serializeArrayVector

bolt/serializers/PrestoSerializer.cpp:1865–1892

}

void serializeArrayVector(
    const BaseVector* vector,
    const folly::Range<const IndexRange*>& ranges,
    VectorStream* stream) {
  auto arrayVector = dynamic_cast<const ArrayVector*>(vector);
  auto rawSizes = arrayVector->rawSizes();
  auto rawOffsets = arrayVector->rawOffsets();
  std::vector<IndexRange> childRanges;
  childRanges.reserve(ranges.size());
  for (int32_t i = 0; i < ranges.size(); ++i) {
    int32_t begin = ranges[i].begin;
    int32_t end = begin + ranges[i].size;
    for (int32_t offset = begin; offset < end; ++offset) {
      if (arrayVector->isNullAt(offset)) {
        stream->appendNull();
      } else {
        stream->appendNonNull();
        auto size = rawSizes[offset];
        stream->appendLength(size);
        if (size > 0) {
          childRanges.emplace_back<IndexRange>({rawOffsets[offset], size});
        }
      }
    }
  }
  serializeColumn(
      arrayVector->elements().get(), childRanges, stream->childAt(0));
}

void serializeMapVector(
    const BaseVector* vector,