mariadb> create database test;

Query OK, 1 row affected (0.001 sec)

mariadb> create database test2;

Query OK, 1 row affected (0.000 sec)

mariadb> create table test.foo(id int not null primary key);

Query OK, 0 rows affected (0.185 sec)

mariadb> create table test2.foo(id int not null primary key);

Query OK, 0 rows affected (0.143 sec)

mariadb> insert into test.foo values (1);

Query OK, 1 row affected (0.031 sec)

mariadb> alter table test2.foo discard tablespace;

Query OK, 0 rows affected (0.045 sec)

mariadb> flush table test.foo for export;

Query OK, 0 rows affected (0.001 sec)

-- Copy test/foo.cfg and test/foo.ibd to test2/

mariadb> unlock tables;

Query OK, 0 rows affected (0.000 sec)

mariadb> alter table test2.foo import tablespace;

Query OK, 0 rows affected (0.200 sec)

mariadb> select * from test2.foo;

+----+

| id |

+----+

|  1 |

+----+

1 row in set (0.001 sec)

mariadb> exit

-- Restart MariaDB server

mariadb> select * from test2.foo;

ERROR 2013 (HY000): Lost connection to MySQL server during query

2019-12-30  9:12:54 0 [Note] /usr/bin/mysqld: ready for connections.

Version: '10.4.11-MariaDB'  socket: '/run/mysqld/mysqld.sock'  port: 3306  Arch Linux

2019-12-30 09:13:02 0x7f91f41ae700  InnoDB: Assertion failure in file /build/mariadb/src/mariadb-10.4.11/storage/innobase/btr/btr0btr.cc line 204

InnoDB: Failing assertion: mach_read_from_4(seg_header + FSEG_HDR_SPACE) == space