docs: public synchronized boolean execute(
              String sql, int[] columnIndexes) throws SQLException {
  
          if (columnIndexes == null || columnIndexes.length == 0) {
              throw Util.invalidArgument("columnIndexes");
          }
          fetchResult(sql, StatementTypes.RETURN_ANY,
                      Statement.RETURN_GENERATED_KEYS, columnIndexes, null);
  
          return resultIn.isData();
      }