set of all columns we are proxying as of 2.0 this is explicitly deannotated columns. previously it was effectively deannotated columns but wasn't enforced. annotated columns should basically not go into sets if at all possible because their hashing behavior is very
(self)
| 1574 | |
| 1575 | @util.memoized_property |
| 1576 | def proxy_set(self) -> FrozenSet[ColumnElement[Any]]: |
| 1577 | """set of all columns we are proxying |
| 1578 | |
| 1579 | as of 2.0 this is explicitly deannotated columns. previously it was |
| 1580 | effectively deannotated columns but wasn't enforced. annotated |
| 1581 | columns should basically not go into sets if at all possible because |
| 1582 | their hashing behavior is very non-performant. |
| 1583 | |
| 1584 | """ |
| 1585 | return frozenset([self._deannotate()]).union( |
| 1586 | itertools.chain(*[c.proxy_set for c in self._proxies]) |
| 1587 | ) |
| 1588 | |
| 1589 | @util.memoized_property |
| 1590 | def _expanded_proxy_set(self) -> FrozenSet[ColumnElement[Any]]: |
nothing calls this directly
no test coverage detected