Method clearNulls

bolt/vector/BaseVector.cpp:433–453

}

void BaseVector::clearNulls(const SelectivityVector& nonNullRows) {
  BOLT_CHECK(isNullsWritable());
  if (!nulls_) {
    return;
  }

  if (nonNullRows.isAllSelected() && nonNullRows.end() == length_) {
    nulls_ = nullptr;
    rawNulls_ = nullptr;
    nullCount_ = 0;
    return;
  }

  auto rawNulls = nulls_->asMutable<uint64_t>();
  bits::orBits(
      rawNulls,
      nonNullRows.asRange().bits(),
      std::min<vector_size_t>(length_, nonNullRows.begin()),
      std::min<vector_size_t>(length_, nonNullRows.end()));
  nullCount_ = std::nullopt;
}

void BaseVector::clearNulls(vector_size_t begin, vector_size_t end) {
  BOLT_CHECK(isNullsWritable());