From 815c25a894427ea0e916282a81ce5d5516fc2b0b Mon Sep 17 00:00:00 2001
From: Korina Cordero <cordero.korina@gmail.com>
Date: Wed, 28 Sep 2022 06:19:41 +0000
Subject: [PATCH] Add locking and unlocking for warranty serial queue table
 when deleting an entry. #708

---
 src/Command/LoadWarrantySerialCommand.php | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/Command/LoadWarrantySerialCommand.php b/src/Command/LoadWarrantySerialCommand.php
index ac5d505d..f7bd5797 100644
--- a/src/Command/LoadWarrantySerialCommand.php
+++ b/src/Command/LoadWarrantySerialCommand.php
@@ -392,12 +392,18 @@ class LoadWarrantySerialCommand extends Command
     {
         // prepared statement
         $db = $this->em->getConnection();
+
+        // lock the warranty serial queue table
+        $db->exec('LOCK TABLES warranty_serial_queue WRITE;');
+
         $delete_stmt = $db->prepare('DELETE FROM warranty_serial_queue
             WHERE id = :id');
 
         $res = $delete_stmt->execute([
             ':id' => $id,
         ]);
+
+        $db->exec('UNLOCK TABLES;');
     }
 
     protected function setOutputInfo($filename, $file_id, $has_error, $error_message, $entries, $orig_filename)