CREATE TABLE t1 (a INT) ENGINE=Aria;

CREATE TABLE t2 (b INT) ENGINE=Aria;

LOCK TABLE t1 WRITE, t2 WRITE;

ALTER TABLE t1 MODIFY a CHAR(1), CHANGE a c INT;

# Cleanup

DROP TABLE t1, t2;

mysqld: /data/src/10.2/storage/maria/ma_close.c:99: maria_close: Assertion `share->in_trans == 0' failed.

181227  0:57:11 [ERROR] mysqld got signal 6 ;

#7  0x00007f0d3b408ee2 in __assert_fail () from /lib/x86_64-linux-gnu/libc.so.6

#8  0x0000564182c1278e in maria_close (info=0x7f0d24034420) at /data/src/10.2/storage/maria/ma_close.c:99

#9  0x0000564182b8e19c in ha_maria::close (this=0x7f0d240098b8) at /data/src/10.2/storage/maria/ha_maria.cc:1274

#10 0x0000564182988ca7 in handler::ha_close (this=0x7f0d240098b8) at /data/src/10.2/sql/handler.cc:2567

#11 0x000056418280fefc in closefrm (table=0x7f0d24170960) at /data/src/10.2/sql/table.cc:3448

#12 0x00005641828faeb1 in intern_close_table (table=0x7f0d24170960) at /data/src/10.2/sql/table_cache.cc:222

#13 0x00005641828fb050 in tc_remove_table (table=0x7f0d24170960) at /data/src/10.2/sql/table_cache.cc:260

#14 0x00005641828fb899 in tc_release_table (table=0x7f0d24170960) at /data/src/10.2/sql/table_cache.cc:461

#15 0x0000564182694f28 in close_thread_table (thd=0x7f0d24000b00, table_ptr=0x7f0d24039d30) at /data/src/10.2/sql/sql_base.cc:903

#16 0x0000564182694872 in close_all_tables_for_name (thd=0x7f0d24000b00, share=0x7f0d2400c238, extra=HA_EXTRA_NOT_USED, skip_table=0x1) at /data/src/10.2/sql/sql_base.cc:677

#17 0x0000564182697b70 in Locked_tables_list::reopen_tables (this=0x7f0d24004550, thd=0x7f0d24000b00, need_reopen=true) at /data/src/10.2/sql/sql_base.cc:2422

#18 0x0000564182712ab3 in mysql_execute_command (thd=0x7f0d24000b00) at /data/src/10.2/sql/sql_parse.cc:6257

#19 0x00005641827177f7 in mysql_parse (thd=0x7f0d24000b00, rawbuf=0x7f0d24012448 "ALTER TABLE t1 MODIFY a CHAR(1), CHANGE a c INT", length=47, parser_state=0x7f0d356e4200, is_com_multi=false, is_next_command=false) at /data/src/10.2/sql/sql_parse.cc:8014

#20 0x000056418270512f in dispatch_command (command=COM_QUERY, thd=0x7f0d24000b00, packet=0x7f0d2408c471 "ALTER TABLE t1 MODIFY a CHAR(1), CHANGE a c INT", packet_length=47, is_com_multi=false, is_next_command=false) at /data/src/10.2/sql/sql_parse.cc:1825

#21 0x0000564182703a92 in do_command (thd=0x7f0d24000b00) at /data/src/10.2/sql/sql_parse.cc:1379

#22 0x0000564182856569 in do_handle_one_connection (connect=0x564185a399e0) at /data/src/10.2/sql/sql_connect.cc:1335

#23 0x00005641828562f6 in handle_one_connection (arg=0x564185a399e0) at /data/src/10.2/sql/sql_connect.cc:1241

#24 0x0000564182c7c230 in pfs_spawn_thread (arg=0x56418599d050) at /data/src/10.2/storage/perfschema/pfs.cc:1862

#25 0x00007f0d3cec4494 in start_thread (arg=0x7f0d356e5700) at pthread_create.c:333

#26 0x00007f0d3b4c593f in clone () from /lib/x86_64-linux-gnu/libc.so.6