def to_map(self, dbcols):
        dct = self._base_map()
        if '_table' in dct:
            del dct['_table']
        if 'target' in dct:
            del dct['target']
        if dbcols:
            dct['columns'] = [dbcols[k - 1] for k in self.col_idx]
            del dct['col_idx']
        return {self.name: dct}
Return a formatted year as a table of tables.
dataset/ETHPy150Open perseas/Pyrseas/pyrseas/dbobject/constraint.py/CheckConstraint.to_map--crossover with--dataset/ETHPy150Open babble/babble/include/jython/Lib/calendar.py/HTMLCalendar.formatyear