@Override
  public boolean purgeTable(Identifier ident) throws UnsupportedOperationException {
    String database = namespaceToDatabase(ident.namespace());
    return unifiedCatalog.dropTable(database, ident.name(), true);
  }
Unified catalog implement for spark engine.
amoro-format-mixed/amoro-mixed-spark/amoro-mixed-spark-3-common/src/main/java/org/apache/amoro/spark/SparkUnifiedCatalogBase.java