message: I hate blank lines too, codefactor
diff: @@ -26,8 +26,7 @@ class ClientContext;
  typedef unordered_map<CatalogSet *, std::unique_lock<std::mutex>> set_lock_map_t;
  struct MappingValue {
  -
  - MappingValue(idx_t index_) : index(index_), timestamp(0), deleted(false) {
  + MappingValue(idx_t index_) : index(index_), timestamp(0), deleted(false), parent(nullptr) {
  }
  idx_t index;
  