@Override public List<String> getTableNames() throws MetaException {
    return null;
  }
Returns a list of all table names from the remote database.
@return List A collection of all the table names, null if there are no tables.
@throws MetaException To indicate any failures with executing this API
standalone-metastore/metastore-server/src/main/java/org/apache/hadoop/hive/metastore/dataconnector/AbstractDataConnectorProvider.java