From 0ec7826a315cdb0fe7e7593f7523ff73ce42e210 Mon Sep 17 00:00:00 2001
From: taichong <tai_chong@foxmail.com>
Date: Thu, 2 Mar 2023 09:37:38 +0800
Subject: [PATCH] fix review conversation

---
 src/io/parquet/read/mod.rs | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/io/parquet/read/mod.rs b/src/io/parquet/read/mod.rs
index cb557df86b..baaffd6d44 100644
--- a/src/io/parquet/read/mod.rs
+++ b/src/io/parquet/read/mod.rs
@@ -84,12 +84,12 @@ fn convert_i128(value: &[u8], n: usize) -> i128 {
 }
 
 fn convert_i256(value: &[u8]) -> i256 {
-    let mut bytes = [0u8; 32];
-    let mut neg_bytes = [255u8; 32];
     if value[0] >= 128 {
+        let mut neg_bytes = [255u8; 32];
         neg_bytes[32 - value.len()..].copy_from_slice(value);
         i256::from_be_bytes(neg_bytes)
     } else {
+        let mut bytes = [0u8; 32];
         bytes[32 - value.len()..].copy_from_slice(value);
         i256::from_be_bytes(bytes)
     }