code: public MetaStore openMetaStore(String name) {
      return new MetaStore(name, this, ThreadContext.currentContextOrThrow().serializer().clone());
    }
docs: Opens a new {@link MetaStore}, recovering metadata from disk if it exists.
  <p>
  The meta store will be loaded using based on the configured {@link StorageLevel}. If the storage level is persistent
  then the meta store will be loaded from disk, otherwise a new meta store will be created.
  
  @param name The metastore name.
  @return The metastore.