From 65e73b56d214dd3e796c5560785d4e6597c954e5 Mon Sep 17 00:00:00 2001
From: Vladislav Vaintroub <wlad@mariadb.com>
Date: Wed, 28 Apr 2021 18:50:13 +0200
Subject: [PATCH] MDEV-24382 Assertion  in tdc_remove_table

The assert is no more reproducible in the lastest 10.5-10.6

The patch only adds testcase from MDEV-24382.
---
 mysql-test/main/lock.result | 15 +++++++++++++++
 mysql-test/main/lock.test   | 18 ++++++++++++++++++
 2 files changed, 33 insertions(+)

diff --git a/mysql-test/main/lock.result b/mysql-test/main/lock.result
index e76c04520eb..7abeaf035ee 100644
--- a/mysql-test/main/lock.result
+++ b/mysql-test/main/lock.result
@@ -520,3 +520,18 @@ DROP TABLE t1;
 #
 # End of 10.2 tests
 #
+#
+# MDEV-24382 Assertion `thd->mdl_context.is_lock_owner(MDL_key::TABLE, db, table_name, MDL_EXCLUSIVE)'
+# failed in tdc_remove_table
+#
+CREATE TABLE t (c INT);
+LOCK TABLES t READ LOCAL;
+CREATE TEMPORARY TABLE t (a INT) SELECT 1 AS a;
+DROP SEQUENCE t;
+ERROR 42S02: Unknown SEQUENCE: 'test.t'
+DROP TEMPORARY TABLE t;
+UNLOCK TABLES;
+DROP TABLE t;
+#
+# End of 10.5 tests
+#
diff --git a/mysql-test/main/lock.test b/mysql-test/main/lock.test
index 32e4fd47664..8f2435160c3 100644
--- a/mysql-test/main/lock.test
+++ b/mysql-test/main/lock.test
@@ -633,3 +633,21 @@ DROP TABLE t1;
 --echo #
 --echo # End of 10.2 tests
 --echo #
+
+--echo #
+--echo # MDEV-24382 Assertion `thd->mdl_context.is_lock_owner(MDL_key::TABLE, db, table_name, MDL_EXCLUSIVE)'
+--echo # failed in tdc_remove_table
+--echo #
+CREATE TABLE t (c INT);
+LOCK TABLES t READ LOCAL;
+CREATE TEMPORARY TABLE t (a INT) SELECT 1 AS a;
+--error ER_UNKNOWN_SEQUENCES
+DROP SEQUENCE t;
+
+DROP TEMPORARY TABLE t;
+UNLOCK TABLES;
+DROP TABLE t;
+
+--echo #
+--echo # End of 10.5 tests
+--echo #