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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def get_fresh(self, columns=None):
 """ Execute the query as a fresh "select" statement :param columns: The columns to get :type columns: list :return: The result :rtype: list """

        if not columns:
            columns = ['*']

        if not self.columns:
            self.columns = columns

        return self._processor.process_select(self, self._run_select())