@Override
  public void createDatabase(String name, CatalogDatabase database, boolean ignoreIfExists)
      throws DatabaseAlreadyExistException {
    try {
      unifiedCatalog.createDatabase(name);
    } catch (AlreadyExistsException e) {
      if (!ignoreIfExists) {
        throw new DatabaseAlreadyExistException(getName(), name);
      }
    }
  }
Available Flink catalogs for Unified Catalog.

<p>May include: Iceberg, Mixed and Paimon Catalogs, etc.
amoro-format-mixed/amoro-mixed-flink/amoro-mixed-flink-common/src/main/java/org/apache/amoro/flink/catalog/FlinkUnifiedCatalog.java