Method _create_orm_context

lib/sqlalchemy/orm/context.py:469–477

(
        cls,
        statement: Union[Select, FromStatement],
        *,
        toplevel: bool,
        compiler: Optional[SQLCompiler],
        **kw: Any,
    )

    @classmethod
    def _create_orm_context(
        cls,
        statement: Union[Select, FromStatement],
        *,
        toplevel: bool,
        compiler: Optional[SQLCompiler],
        **kw: Any,
    ) -> _ORMCompileState:
        raise NotImplementedError()

    def _append_dedupe_col_collection(self, obj, col_collection):
        dedupe = self.dedupe_columns