public MixedTable getMixedTable(SchemaTableName schemaTableName) {
    return tableCache.computeIfAbsent(
        schemaTableName,
        ignore -> mixedFormatCatalog.loadTable(getTableIdentifier(schemaTableName)));
  }
{@link MixedFormatConnectorMetadata} is a Union {@link ConnectorMetadata} contain {@link
KeyedConnectorMetadata} and {@link IcebergMetadata}. This is final {@link ConnectorMetadata}
provided to Trino
amoro-format-mixed/amoro-mixed-trino/src/main/java/org/apache/amoro/trino/MixedFormatConnectorMetadata.java