Method try_optimize_sort

datafusion/optimizer/src/common_subexpr_eliminate.rs:96–125

(
        &self,
        sort: Sort,
        config: &dyn OptimizerConfig,
    )

    }

    fn try_optimize_sort(
        &self,
        sort: Sort,
        config: &dyn OptimizerConfig,
    ) -> Result<Transformed<LogicalPlan>> {
        let Sort { expr, input, fetch } = sort;
        let input = Arc::unwrap_or_clone(input);
        let (sort_expressions, sort_params): (Vec<_>, Vec<(_, _)>) = expr
            .into_iter()
            .map(|sort| (sort.expr, (sort.asc, sort.nulls_first)))
            .unzip();
        let new_sort = self
            .try_unary_plan(sort_expressions, input, config)?
            .update_data(|(new_expr, new_input)| {
                LogicalPlan::Sort(Sort {
                    expr: new_expr
                        .into_iter()
                        .zip(sort_params)
                        .map(|(expr, (asc, nulls_first))| SortExpr {
                            expr,
                            asc,
                            nulls_first,
                        })
                        .collect(),
                    input: Arc::new(new_input),
                    fetch,
                })
            });
        Ok(new_sort)
    }

    fn try_optimize_filter(
        &self,