can_combine

datafusion_physical_optimizer::combine_partial_final_agg

Function can_combine 

Source 
fn can_combine(
    final_agg: (&'_ PhysicalGroupBy, &'_ [Arc<AggregateFunctionExpr>], &'_ [Option<Arc<dyn PhysicalExpr>>]),
    partial_agg: (&'_ PhysicalGroupBy, &'_ [Arc<AggregateFunctionExpr>], &'_ [Option<Arc<dyn PhysicalExpr>>]),
) -> bool