From 62f2307c7a056c2df5621191791ee295d3d086c0 Mon Sep 17 00:00:00 2001
From: Jia-Xuan Liu <liugs963@gmail.com>
Date: Wed, 11 Sep 2024 23:24:06 +0800
Subject: [PATCH] compare substring first

---
 datafusion/functions/src/unicode/strpos.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/datafusion/functions/src/unicode/strpos.rs b/datafusion/functions/src/unicode/strpos.rs
index 4ff0ae3afe4c..6da67c8a2798 100644
--- a/datafusion/functions/src/unicode/strpos.rs
+++ b/datafusion/functions/src/unicode/strpos.rs
@@ -141,7 +141,7 @@ where
     V1: StringArrayType<'a, Item = &'a str>,
     V2: StringArrayType<'a, Item = &'a str>,
 {
-    let ascii_only = string_array.is_ascii() && substring_array.is_ascii();
+    let ascii_only = substring_array.is_ascii() && string_array.is_ascii();
     let string_iter = string_array.iter();
     let substring_iter = substring_array.iter();