Method LayoutIsPrefixOf

be/src/runtime/descriptors.cc:557–563

}

bool RowDescriptor::LayoutIsPrefixOf(const RowDescriptor& other_desc) const {
  if (tuple_desc_map_.size() > other_desc.tuple_desc_map_.size()) return false;
  for (int i = 0; i < tuple_desc_map_.size(); ++i) {
    if (!tuple_desc_map_[i]->LayoutEquals(*other_desc.tuple_desc_map_[i])) return false;
  }
  return true;
}

bool RowDescriptor::LayoutEquals(const RowDescriptor& other_desc) const {
  if (tuple_desc_map_.size() != other_desc.tuple_desc_map_.size()) return false;