MariaDB [(none)]> use test;

Database changed

MariaDB [test]> create table t1(f1 int not null, f2 int not null, primary key(f1 desc))engine=innodb;

Query OK, 0 rows affected (0.027 sec)

MariaDB [test]> alter table t1 discard tablespace;

Query OK, 0 rows affected (0.018 sec)

MariaDB [test]> alter table t1 import tablespace;

ERROR 1808 (HY000): Schema mismatch (Index PRIMARY field f1 is DESC which does not match with .cfg file)

MariaDB [test]> alter table t1_pk_desc import tablespace;

Query OK, 0 rows affected (0.030 sec)

MariaDB [test]> alter table t1_pk_desc force;

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

mysqld: /home/thiru/source_file/server/10.6/storage/innobase/btr/btr0bulk.cc:173: void PageBulk::insertPage(rec_t*, rec_offs*) [with format <anonymous> = PageBulk::DYNAMIC; rec_t = unsigned char; rec_offs = short unsigned int]: Assertion `cmp_rec_rec(rec, old_rec, offsets, old_offsets, m_index