public static String getReplPolicy(String dbName) {
    if ((dbName == null) || (dbName.isEmpty())) {
      return "*.*";
    } else {
      return dbName.toLowerCase() + ".*";
    }
  }
Return HiveAuthorizerFactory used by new authorization plugin interface.
@param conf
@param authorizationProviderConfKey
@return
@throws HiveException if HiveAuthorizerFactory specified in configuration could not
ql/src/java/org/apache/hadoop/hive/ql/metadata/HiveUtils.java