Method copy

lib/sqlalchemy/sql/schema.py:2947–2948

(self, *, schema: Optional[str] = None, **kw: Any)

        "and will be removed in a future release.",
    )
    def copy(self, *, schema: Optional[str] = None, **kw: Any) -> ForeignKey:
        return self._copy(schema=schema, **kw)

    def _copy(self, *, schema: Optional[str] = None, **kw: Any) -> ForeignKey:
        """Produce a copy of this :class:`_schema.ForeignKey` object.