def _select_current_script(self):

        # Get all columns except for the two timestamps
        selected_columns = [c.name for c in self.columns()
                            if c.name != HIST_EFFECTIVE_COLUMN and
                            c.name != HIST_EXPIRATION_COLUMN]

        return SelectStatement("""
            SELECT {selected_columns}
            FROM {history_name}
            WHERE {expiration_column} = '{expiration_max}'
            """.format(selected_columns=', '.join(selected_columns),
                       history_name=self.full_name,
                       expiration_column=HIST_EXPIRATION_COLUMN,
                       expiration_max=HIST_EXPIRATION_MAX))
Convenience function for tokenizing text into words.
dataset/ETHPy150Open coursera/dataduct/dataduct/database/history_table.py/HistoryTable._select_current_script--crossover with--dataset/ETHPy150Open markuskiller/textblob-de/textblob_de/tokenizers.py/word_tokenize