Method partition_by

datafusion/expr/src/expr_fn.rs:911–914

(mut self, partition_by: Vec<Expr>)

    }

    fn partition_by(mut self, partition_by: Vec<Expr>) -> ExprFuncBuilder {
        self.partition_by = Some(partition_by);
        self
    }

    fn window_frame(mut self, window_frame: WindowFrame) -> ExprFuncBuilder {
        self.window_frame = Some(window_frame);