Method isSubset

bolt/vector/SelectivityVector.h:281–286

Returns true if 'this' is equal to or a subset of 'other'.

  // Returns true if 'this' is equal to or a subset of 'other'.
  bool isSubset(const SelectivityVector& other) const {
    if (begin_ >= other.begin_ && end_ <= other.end_) {
      return bits::isSubset(bits_.data(), other.bits_.data(), begin_, end_);
    }
    return false;
  }

  /**
   * Updates the begin_ and end_ values to match the