mariadb/mysql-test/suite/innodb/t/innodb_uninstall.test

--source include/not_embedded.inc
--source include/not_windows.inc

if (!$HA_INNODB_SO) {
  --skip Need InnoDB plugin
}

#
# MDEV-8474: InnoDB sets per-connection data unsafely
# Below test caused hang
#
# When mysqld is built with wsrep patch (WITH_WSREP=ON),
# the following install command emits a warning about
# server unable to enable tc-log at runtime.
disable_warnings;
install plugin innodb soname 'ha_innodb';
enable_warnings;

create table t1(a int not null primary key) engine=innodb;

connect (con1, localhost, root);
connection con1;
begin;
insert into t1 values(1);

connection default;
flush tables;
send uninstall plugin innodb;

connection con1;
select sleep(1);
disconnect con1;

connection default;
reap;

--source include/restart_mysqld.inc

#
# Another test that caused hang.
#

connect (con1, localhost, root);
connection con1;
disable_warnings;
install plugin innodb soname 'ha_innodb';
enable_warnings;

drop table t1;
create table t2(a int not null primary key) engine=innodb;
insert into t2 values(1);
drop table t2;

connection default;
send uninstall plugin innodb;

connection con1;
select sleep(1);
disconnect con1;

connection default;
reap;

--source include/restart_mysqld.inc