From 737dd038c521a92f3c30c993ecf0d067b21f42dc Mon Sep 17 00:00:00 2001
From: Wesley Norris <repnop@outlook.com>
Date: Mon, 9 Mar 2020 20:31:49 -0400
Subject: [PATCH] Fix null bitmap being cleared

---
 sqlx-core/src/mysql/arguments.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sqlx-core/src/mysql/arguments.rs b/sqlx-core/src/mysql/arguments.rs
index ca873c4e85..c365b80590 100644
--- a/sqlx-core/src/mysql/arguments.rs
+++ b/sqlx-core/src/mysql/arguments.rs
@@ -45,7 +45,7 @@ impl Arguments for MySqlArguments {
         self.null_bitmap.resize((index / 8) + 1, 0);
 
         if let IsNull::Yes = value.encode_nullable(&mut self.params) {
-            self.null_bitmap[index / 8] &= (1 << index % 8) as u8;
+            self.null_bitmap[index / 8] |= (1 << index % 8) as u8;
         }
     }
 }