(self)
| 1854 | |
| 1855 | @functools.cached_property |
| 1856 | def _meta(self): |
| 1857 | if self.operand("meta") is None: |
| 1858 | args = [ |
| 1859 | meta_nonempty(op._meta) if isinstance(op, Expr) else op |
| 1860 | for op in self._args |
| 1861 | ] |
| 1862 | return make_meta(self.operation(*args, **self._kwargs)) |
| 1863 | return make_meta( |
| 1864 | self.operand("meta"), |
| 1865 | parent_meta=self.frame._meta, |
| 1866 | index=getattr(self.frame._meta, "index", None), # could be an index |
| 1867 | ) |
| 1868 | |
| 1869 | @functools.cached_property |
| 1870 | def _kwargs(self) -> dict: |