From 7f8f1bc07444941cc3d942a1f4cfad9c23ceed3e Mon Sep 17 00:00:00 2001
From: Sumit Patel <sumitpatel813@gmail.com>
Date: Sat, 25 Oct 2025 16:53:59 +0530
Subject: [PATCH] Update the write_varint method to use an encoded buffer of
 size 9 instead of 10.

The SQLite varint specification states that the varint is guaranteed to be a maximum of 9 bytes, but our version of write_varint initializes a buffer of 10 bytes. Changing the size to match the specification.
---
 core/storage/sqlite3_ondisk.rs                   | 2 +-
 tests/integration/query_processing/test_btree.rs | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/core/storage/sqlite3_ondisk.rs b/core/storage/sqlite3_ondisk.rs
index 190b94479..93f897dc1 100644
--- a/core/storage/sqlite3_ondisk.rs
+++ b/core/storage/sqlite3_ondisk.rs
@@ -1601,7 +1601,7 @@ pub fn write_varint(buf: &mut [u8], value: u64) -> usize {
         return 9;
     }
 
-    let mut encoded: [u8; 10] = [0; 10];
+    let mut encoded: [u8; 9] = [0; 9];
     let mut bytes = value;
     let mut n = 0;
     while bytes != 0 {
diff --git a/tests/integration/query_processing/test_btree.rs b/tests/integration/query_processing/test_btree.rs
index e55c512f0..c24d025d6 100644
--- a/tests/integration/query_processing/test_btree.rs
+++ b/tests/integration/query_processing/test_btree.rs
@@ -130,7 +130,7 @@ pub fn write_varint(buf: &mut [u8], value: u64) -> usize {
         return 9;
     }
 
-    let mut encoded: [u8; 10] = [0; 10];
+    let mut encoded: [u8; 9] = [0; 9];
     let mut bytes = value;
     let mut n = 0;
     while bytes != 0 {