@Override
  public void onRename(String oldCatName, String oldDbName, String oldTabName, String oldPartName,
      String newCatName, String newDbName, String newTabName, String newPartName)
      throws MetaException {
    new OnRenameFunction(oldCatName, oldDbName, oldTabName, oldPartName, newCatName, newDbName, newTabName, newPartName).execute(jdbcResource);
  }
Catalog hasn't been added to transactional tables yet, so it's passed in but not used.
standalone-metastore/metastore-server/src/main/java/org/apache/hadoop/hive/metastore/txn/TxnHandler.java