From 9fa05e678bffd40c1c57ba5057d210bf8074051c Mon Sep 17 00:00:00 2001
From: comphead <comphead@ukr.net>
Date: Fri, 17 Apr 2026 13:56:17 -0700
Subject: [PATCH] chore: Refine the error message for List to non List cast

---
 arrow-cast/src/cast/mod.rs | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/arrow-cast/src/cast/mod.rs b/arrow-cast/src/cast/mod.rs
index c96e7c8f6a14..5f08dcbfc138 100644
--- a/arrow-cast/src/cast/mod.rs
+++ b/arrow-cast/src/cast/mod.rs
@@ -913,9 +913,9 @@ pub fn cast_with_options(
             Utf8 => value_to_string::<i32>(array, cast_options),
             LargeUtf8 => value_to_string::<i64>(array, cast_options),
             Utf8View => value_to_string_view(array, cast_options),
-            _ => Err(ArrowError::CastError(
-                "Cannot cast list to non-list data types".to_string(),
-            )),
+            dt => Err(ArrowError::CastError(format!(
+                "Cannot cast LIST to non-list data type {dt}"
+            ))),
         },
         (_, List(to)) => cast_values_to_list::<i32>(array, to, cast_options),
         (_, LargeList(to)) => cast_values_to_list::<i64>(array, to, cast_options),