public static String removeEscape(String pattern) {
    return pattern.replaceAll("\\_", "_");
  }
some tools pass in parameters that will escape '_', but some syntax does not support escaping,
such as dataGrip

@param pattern eg. information\_schema
@return eg. information_schema
iotdb-client/jdbc/src/main/java/org/apache/iotdb/jdbc/relational/IoTDBRelationalDatabaseMetadata.java