require_top_ordering_helper

datafusion_physical_optimizer::output_requirements

Function require_top_ordering_helper 

Source 
fn require_top_ordering_helper(
    plan: Arc<dyn ExecutionPlan>,
) -> Result<(Arc<dyn ExecutionPlan>, bool)>
Expand description

Helper function that adds an ancillary OutputRequirementExec to the given plan. First entry in the tuple is resulting plan, second entry indicates whether any OutputRequirementExec is added to the plan.