1 files changed, 36 insertions, 0 deletions
diff --git a/databases/xtrabackup80/files/patch-sql_mdl__context__backup.cc b/databases/xtrabackup80/files/patch-sql_mdl__context__backup.cc
new file mode 100644
index 000000000000..0d670ed2d1a2
--- /dev/null
+++ b/databases/xtrabackup80/files/patch-sql_mdl__context__backup.cc
@@ -0,0 +1,36 @@
+--- sql/mdl_context_backup.cc.orig	2023-11-24 10:33:10 UTC
++++ sql/mdl_context_backup.cc
+@@ -159,7 +159,7 @@ bool MDL_context_backup_manager::create_backup(const M
+   DBUG_TRACE;
+ 
+   try {
+-    MDL_context_backup_key key_obj(key, keylen);
++    MDL_context_backup_key key_obj(key, key + keylen);
+ 
+     /*
+       Since this method is called as part of THD cleaning up, every XA
+@@ -192,7 +192,7 @@ bool MDL_context_backup_manager::create_backup(MDL_req
+ 
+   bool result = false;
+   try {
+-    MDL_context_backup_key key_obj(key, keylen);
++    MDL_context_backup_key key_obj(key, key + keylen);
+     /*
+       Check for presence a record with specified key in the collection of
+       MDL_context_backup elements. It is ok to already have a record with
+@@ -238,7 +238,7 @@ bool MDL_context_backup_manager::restore_backup(MDL_co
+ 
+   MUTEX_LOCK(guard, &m_LOCK_mdl_context_backup);
+ 
+-  auto result = m_backup_map.find(MDL_context_backup_key(key, keylen));
++  auto result = m_backup_map.find(MDL_context_backup_key(key, key + keylen));
+   if (result != m_backup_map.end()) {
+     element = result->second.get();
+     res = mdl_context->clone_tickets(element->get_context(), MDL_TRANSACTION);
+@@ -251,5 +251,5 @@ void MDL_context_backup_manager::delete_backup(const u
+                                                const size_t keylen) {
+   DBUG_TRACE;
+   MUTEX_LOCK(guard, &m_LOCK_mdl_context_backup);
+-  m_backup_map.erase(MDL_context_backup_key(key, keylen));
++  m_backup_map.erase(MDL_context_backup_key(key, key + keylen));
+ }