From 08c57a3573cb0faed8ca82282072c3fc7bb7f29b Mon Sep 17 00:00:00 2001
From: Jefffrey <jeffrey.vo.australia@gmail.com>
Date: Thu, 2 Jul 2026 09:24:09 +0900
Subject: [PATCH] Replace conversion of binary->string in arrow-row from
 arraydata to direct construction

---
 arrow-row/src/variable.rs | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/arrow-row/src/variable.rs b/arrow-row/src/variable.rs
index aeb7f888b00e..b421b5e27ad1 100644
--- a/arrow-row/src/variable.rs
+++ b/arrow-row/src/variable.rs
@@ -401,14 +401,11 @@ pub unsafe fn decode_string<I: OffsetSizeTrait>(
         return GenericStringArray::from(decoded);
     }
 
-    let builder = decoded
-        .into_data()
-        .into_builder()
-        .data_type(GenericStringArray::<I>::DATA_TYPE);
+    let (offsets, values, nulls) = decoded.into_parts();
 
     // SAFETY:
     // Row data must have come from a valid UTF-8 array
-    GenericStringArray::from(unsafe { builder.build_unchecked() })
+    unsafe { GenericStringArray::new_unchecked(offsets, values, nulls) }
 }
 
 /// Decodes a string view array from `rows` with the provided `options`