Method with_error

datafusion/datasource/src/morsel/mocks.rs:358–361

Configure a failing I/O future for this pending planner.

(mut self, message: impl Into<String>)

    /// Configure a failing I/O future for this pending planner.
    pub(crate) fn with_error(mut self, message: impl Into<String>) -> Self {
        self.result = Err(MockError(message.into()));
        self
    }

    /// Build a `MockPlanBuilder` containing only this pending planner.
    pub(crate) fn build(self) -> MockPlanBuilder {