Method try_pushdown_sort

datafusion/physical-plan/src/buffer.rs:281–290

(
        &self,
        order: &[PhysicalSortExpr],
    )

    }

    fn try_pushdown_sort(
        &self,
        order: &[PhysicalSortExpr],
    ) -> Result<SortOrderPushdownResult<Arc<dyn ExecutionPlan>>> {
        // CoalesceBatchesExec is transparent for sort ordering - it preserves order
        // Delegate to the child and wrap with a new CoalesceBatchesExec
        self.input.try_pushdown_sort(order)?.try_map(|new_input| {
            Ok(Arc::new(Self::new(new_input, self.capacity)) as Arc<dyn ExecutionPlan>)
        })
    }
}

/// Represents anything that occupies a capacity in a [MemoryBufferedStream].