(element: ClauseElement)
| 298 | stack: List[BinaryExpression[Any]] = [] |
| 299 | |
| 300 | def visit(element: ClauseElement) -> Iterator[ColumnElement[Any]]: |
| 301 | if isinstance(element, ScalarSelect): |
| 302 | # we don't want to dig into correlated subqueries, |
| 303 | # those are just column elements by themselves |
| 304 | yield element |
| 305 | elif element.__visit_name__ == "binary" and operators.is_comparison( |
| 306 | element.operator # type: ignore |
| 307 | ): |
| 308 | stack.insert(0, element) # type: ignore |
| 309 | for l in visit(element.left): # type: ignore |
| 310 | for r in visit(element.right): # type: ignore |
| 311 | fn(stack[0], l, r) |
| 312 | stack.pop(0) |
| 313 | for elem in element.get_children(): |
| 314 | visit(elem) |
| 315 | else: |
| 316 | if isinstance(element, ColumnClause): |
| 317 | yield element |
| 318 | for elem in element.get_children(): |
| 319 | yield from visit(elem) |
| 320 | |
| 321 | list(visit(expr)) |
| 322 | visit = None # type: ignore # remove gc cycles |
no test coverage detected