From 0b6f8106823a7c376609dbe41006ca5b0673b7b4 Mon Sep 17 00:00:00 2001
From: Asish Kumar <officialasishkumar@gmail.com>
Date: Sun, 24 May 2026 14:31:08 +0530
Subject: [PATCH] Fix metadata retain comparison reborrow

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

diff --git a/datafusion/expr/src/expr.rs b/datafusion/expr/src/expr.rs
index 71d3057575759..47c2ce4ee0795 100644
--- a/datafusion/expr/src/expr.rs
+++ b/datafusion/expr/src/expr.rs
@@ -662,7 +662,7 @@ pub fn intersect_metadata_for_union<'a>(
             }
             Some(current) => {
                 // Only keep keys that exist in both with the same value
-                current.retain(|k, v| metadata.get(k) == Some(v));
+                current.retain(|k, v| metadata.get(k) == Some(&*v));
             }
         }
     }