From 49774e965b9ac4d3aae11e4e5b2688a96330a302 Mon Sep 17 00:00:00 2001
From: ritchie <ritchie46@gmail.com>
Date: Wed, 26 Jul 2023 11:31:32 +0200
Subject: [PATCH] fix test

---
 polars/polars-lazy/src/physical_plan/expressions/apply.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/polars/polars-lazy/src/physical_plan/expressions/apply.rs b/polars/polars-lazy/src/physical_plan/expressions/apply.rs
index 7156b62a1121..a5a8fd79d00c 100644
--- a/polars/polars-lazy/src/physical_plan/expressions/apply.rs
+++ b/polars/polars-lazy/src/physical_plan/expressions/apply.rs
@@ -445,7 +445,7 @@ impl ApplyExpr {
         };
         // ensure the input of the function is only a `col(..)`
         // if it does any arithmetic the code below is flawed
-        if !input.iter().all(|e| matches!(e, Expr::Column(_))) {
+        if !matches!(input[0], Expr::Column(_)) {
             return Ok(true);
         }