Return a sequence of :class:`_sql.ColumnClause` or :class:`_schema.Column` objects for all columns in this collection.
(self)
| 1660 | return [k for (k, _, _) in self._collection] |
| 1661 | |
| 1662 | def values(self) -> List[_COL_co]: |
| 1663 | """Return a sequence of :class:`_sql.ColumnClause` or |
| 1664 | :class:`_schema.Column` objects for all columns in this |
| 1665 | collection.""" |
| 1666 | return [col for (_, col, _) in self._collection] |
| 1667 | |
| 1668 | def items(self) -> List[Tuple[_COLKEY, _COL_co]]: |
| 1669 | """Return a sequence of (key, column) tuples for all columns in this |