--source include/have_innodb.inc
--source include/have_debug.inc
--source include/have_debug_sync.inc

--enable_connect_log

#
# MDEV-16465 Invalid (old?) table or database name or hang in ha_innobase::delete_table and log semaphore wait upon concurrent DDL with foreign keys
#
create table t1 (f1 int primary key) engine=innodb;
create table t2 (f2 int primary key) engine=innodb;
create table t3 (f3 int primary key, foreign key (f3) references t2(f2)) engine=innodb;
insert into t1 values (1),(2),(3),(4),(5);
insert into t2 values (1),(2),(3),(4),(5);
insert into t3 values (1),(2),(3),(4),(5);
connect con1,localhost,root;
set debug_sync='alter_table_before_rename_result_table signal g1 wait_for g2';
send alter table t2 add constraint foreign key (f2) references t1(f1) on delete cascade on update cascade;
connection default;
let $conn=`select connection_id()`;
set debug_sync='before_execute_sql_command wait_for g1';
send update t1 set f1 = f1 + 100000 limit 2;
connect con2,localhost,root;
let $wait_condition= select 1 from information_schema.processlist where state='Waiting for table metadata lock' and info like 'update t1 %';
source include/wait_condition.inc;
--replace_result $conn UPDATE
eval kill query $conn;
disconnect con2;
connection default;
error ER_QUERY_INTERRUPTED;
reap;
set debug_sync='now signal g2';
connection con1;
reap;
show create table t2;
disconnect con1;
connection default;
select * from t2 where f2 not in (select f1 from t1);
select * from t3 where f3 not in (select f2 from t2);
drop table t3;
drop table t2;
drop table t1;
set debug_sync='reset';

--echo #
--echo # MDEV-16060 - InnoDB: Failing assertion: ut_strcmp(index->name, key->name)
--echo #
CREATE TABLE t1 (`pk` INT PRIMARY KEY) ENGINE=InnoDB;
CREATE TABLE t2 LIKE t1;
FLUSH TABLES;

SET debug_sync='alter_table_intermediate_table_created SIGNAL ready WAIT_FOR go';
send ALTER TABLE t1 ADD FOREIGN KEY(pk) REFERENCES t2(pk) ON UPDATE CASCADE;

connect con1, localhost, root;
SET debug_sync='now WAIT_FOR ready';
SET lock_wait_timeout=0;
--error ER_LOCK_WAIT_TIMEOUT
UPDATE t2 SET pk=10 WHERE pk=1;
PREPARE stmt FROM 'UPDATE t2 SET pk=10 WHERE pk=1';
DEALLOCATE PREPARE stmt;
SET debug_sync='now SIGNAL go';

connection default;
reap;

# Cleanup
disconnect con1;

connection default;
SET debug_sync='reset';
SHOW OPEN TABLES FROM test;
DROP TABLE t1, t2;

#
# End of 10.1 tests
#