#
# MDEV-30955
# Assertion `thd->mdl_context.is_lock_owner(MDL_key::TABLE,
# table->s->db.str, table->s->table_name.str, MDL_SHARED)'
# failed in close_thread_table()
#

--source include/galera_cluster.inc

#
# Test 1: Assertion thd->mdl_context.is_lock_owner()
# failed in close_thread_table()
#
CREATE TABLE t (a CHAR(1) KEY);
START TRANSACTION;
HANDLER t OPEN;

#
# If bug is present the transaction will be aborted
# through Wsrep_client_service::bf_rollback() and
# release explicit locks too early. Later, during
# THD::cleanup(), table t will be closed and the
# THD is expected to be owner of the MDL lock that
# was just released.
#
--disconnect node_1

--connect node_1, 127.0.0.1, root, , test, $NODE_MYPORT_1
DROP TABLE t;


#
# Test 2: Similar issue reproduces also with BACKUP STAGE locks.
# See comments in MDEV-25037
#

BACKUP STAGE START;
START TRANSACTION;
--disconnect node_1
--connect node_1, 127.0.0.1, root, , test, $NODE_MYPORT_1


#
# Test 3: Assertion `!thd->mdl_context.has_locks()' failed
# in do_command()
#

--connection node_1
CREATE TABLE t1 (f1 INTEGER PRIMARY KEY);
CREATE TABLE t2 (f1 INTEGER PRIMARY KEY);

--let $bf_count = `SELECT VARIABLE_VALUE FROM INFORMATION_SCHEMA.global_status WHERE VARIABLE_NAME = 'wsrep_local_bf_aborts'`

START TRANSACTION;
INSERT INTO t1 VALUES(1);
HANDLER t2 OPEN;

--connection node_2
INSERT INTO t1 VALUES(1);

--connect node_1a, 127.0.0.1, root, , test, $NODE_MYPORT_1
--connection node_1a
--let $wait_condition = SELECT VARIABLE_VALUE = $bf_count + 1 FROM INFORMATION_SCHEMA.GLOBAL_STATUS WHERE VARIABLE_NAME = 'wsrep_local_bf_aborts'
--source include/wait_condition.inc

--connection node_1
--error ER_LOCK_DEADLOCK
COMMIT;

DROP TABLE t1,t2;