Method try_optimize_proj

datafusion/optimizer/src/common_subexpr_eliminate.rs:77–94

(
        &self,
        projection: Projection,
        config: &dyn OptimizerConfig,
    )

    }

    fn try_optimize_proj(
        &self,
        projection: Projection,
        config: &dyn OptimizerConfig,
    ) -> Result<Transformed<LogicalPlan>> {
        let Projection {
            expr,
            input,
            schema,
            ..
        } = projection;
        let input = Arc::unwrap_or_clone(input);
        self.try_unary_plan(expr, input, config)?
            .map_data(|(new_expr, new_input)| {
                Projection::try_new_with_schema(new_expr, Arc::new(new_input), schema)
                    .map(LogicalPlan::Projection)
            })
    }

    fn try_optimize_sort(
        &self,