CREATE TABLE IF NOT EXISTS t1 ( 

    f1 DOUBLE, 

    f2 DOUBLE NOT NULL DEFAULT '0', 

    f3 DOUBLE NOT NULL DEFAULT '0', 

    f4 DOUBLE NOT NULL DEFAULT '0', 

    v1 DOUBLE AS ( IF(EXP(f1),f4,NULL) ) VIRTUAL, 

    v2 DOUBLE AS ( CRC32(f1) ) VIRTUAL, 

    v3 DOUBLE AS ( f4 OR f1 ) PERSISTENT, 

    v4 DOUBLE AS ( ( f1 DIV ( NOT f1 ) ) <= f2 ) VIRTUAL, 

    KEY (v3) 

) ENGINE=MyISAM; 

INSERT INTO t1 ( f1, f2, f3, f4 ) VALUES ( 0, 0, 6, 3 );

INSERT INTO t1 ( f1, f2, f3, f4 ) SELECT f2, v4, v4, f4 FROM t1;

INSERT INTO t1 ( f1, f2, f3, f4 ) SELECT f4, v4, f2, v2 FROM t1;

DELETE FROM t1 WHERE v3 != f3;

INSERT INTO t1 ( f1, f2, f3, f4 ) SELECT v2, v3, v4, v4 FROM t1;

UPDATE t1 SET f3 = v1 WHERE f2 = 2 AND v3 != 1;

mysqld: /data/src/5.5/sql/sql_error.cc:362: void Diagnostics_area::set_ok_status(THD*, ulonglong, ulonglong, const char*): Assertion `! is_set()' failed.

161218 17:54:44 [ERROR] mysqld got signal 6 ;

#7  0x00007f07794f8312 in __GI___assert_fail (assertion=0xd1bb57 "! is_set()", file=0xd1ba90 "/data/src/5.5/sql/sql_error.cc", line=362, function=0xd1bec0 <Diagnostics_area::set_ok_status(THD*, unsigned long long, unsigned long long, char const*)::__PRETTY_FUNCTION__> "void Diagnostics_area::set_ok_status(THD*, ulonglong, ulonglong, const char*)") at assert.c:101

#8  0x00000000005dfecd in Diagnostics_area::set_ok_status (this=0x7f07752786a0, thd=0x7f0775274060, affected_rows_arg=0, last_insert_id_arg=0, message_arg=0x7f077b54eb00 "Rows matched: 0  Changed: 0  Warnings: 1") at /data/src/5.5/sql/sql_error.cc:362

#9  0x000000000059d88e in my_ok (thd=0x7f0775274060, affected_rows=0, id=0, message=0x7f077b54eb00 "Rows matched: 0  Changed: 0  Warnings: 1") at /data/src/5.5/sql/sql_class.h:3206

#10 0x00000000006b7dad in mysql_update (thd=0x7f0775274060, table_list=0x7f0774148180, fields=..., values=..., conds=0x7f0774148ff8, order_num=0, order=0x0, limit=18446744073709551615, handle_duplicates=DUP_ERROR, ignore=false, found_return=0x7f077b54f348, updated_return=0x7f077b54f340) at /data/src/5.5/sql/sql_update.cc:967

#11 0x00000000006046a5 in mysql_execute_command (thd=0x7f0775274060) at /data/src/5.5/sql/sql_parse.cc:2849

#12 0x000000000060c834 in mysql_parse (thd=0x7f0775274060, rawbuf=0x7f0774148078 "UPDATE t1 SET f3 = v1 WHERE f2 = 2 AND v3 != 1", length=46, parser_state=0x7f077b54f650) at /data/src/5.5/sql/sql_parse.cc:5934

#13 0x0000000000600549 in dispatch_command (command=COM_QUERY, thd=0x7f0775274060, packet=0x7f0775f4e061 "UPDATE t1 SET f3 = v1 WHERE f2 = 2 AND v3 != 1", packet_length=46) at /data/src/5.5/sql/sql_parse.cc:1079

#14 0x00000000005ff703 in do_command (thd=0x7f0775274060) at /data/src/5.5/sql/sql_parse.cc:793

#15 0x000000000070190f in do_handle_one_connection (thd_arg=0x7f0775274060) at /data/src/5.5/sql/sql_connect.cc:1270

#16 0x000000000070169c in handle_one_connection (arg=0x7f0775274060) at /data/src/5.5/sql/sql_connect.cc:1186

#17 0x000000000094409f in pfs_spawn_thread (arg=0x7f0775f7a3a0) at /data/src/5.5/storage/perfschema/pfs.cc:1015

#18 0x00007f077b18c0a4 in start_thread (arg=0x7f077b550700) at pthread_create.c:309

#19 0x00007f07795b287d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

mysqld: /data/src/10.2/sql/sql_error.cc:380: void Diagnostics_area::set_ok_status(ulonglong, ulonglong, const char*): Assertion `!is_set() || (m_status == DA_OK_BULK && is_bulk_op())' failed.

#7  0x00007f715dbec312 in __GI___assert_fail (assertion=0x7f71606c6d78 "!is_set() || (m_status == DA_OK_BULK && is_bulk_op())", file=0x7f71606c6d58 "/data/src/10.2/sql/sql_error.cc", line=380, function=0x7f71606c7480 <Diagnostics_area::set_ok_status(unsigned long long, unsigned long long, char const*)::__PRETTY_FUNCTION__> "void Diagnostics_area::set_ok_status(ulonglong, ulonglong, const char*)") at assert.c:101

#8  0x00007f715fd62176 in Diagnostics_area::set_ok_status (this=0x7f7154c1b050, affected_rows=0, last_insert_id=last_insert_id@entry=0, message=message@entry=0x7f7160d92c30 "Rows matched: 0  Changed: 0  Warnings: 1") at /data/src/10.2/sql/sql_error.cc:380

#9  0x00007f715fe41908 in my_ok (message=0x7f7160d92c30 "Rows matched: 0  Changed: 0  Warnings: 1", id=0, affected_rows=<optimized out>, thd=0x7f7154c16070) at /data/src/10.2/sql/sql_class.h:4397

#10 mysql_update (thd=thd@entry=0x7f7154c16070, table_list=0x7f7154c64190, fields=..., values=..., conds=0x7f7154c64fd8, order_num=<optimized out>, order=<optimized out>, limit=18446744073709551615, handle_duplicates=DUP_ERROR, ignore=false, found_return=0x7f7160d930e0, updated_return=0x7f7160d93190) at /data/src/10.2/sql/sql_update.cc:1024

#11 0x00007f715fd8b6e4 in mysql_execute_command (thd=thd@entry=0x7f7154c16070) at /data/src/10.2/sql/sql_parse.cc:4169

#12 0x00007f715fd922d2 in mysql_parse (thd=thd@entry=0x7f7154c16070, rawbuf=<optimized out>, length=<optimized out>, parser_state=parser_state@entry=0x7f7160d948e0, is_com_multi=is_com_multi@entry=false, is_next_command=is_next_command@entry=false) at /data/src/10.2/sql/sql_parse.cc:7790

#13 0x00007f715fd9455b in dispatch_command (command=command@entry=COM_QUERY, thd=thd@entry=0x7f7154c16070, packet=packet@entry=0x7f7154c58071 "UPDATE t1 SET f3 = v1 WHERE f2 = 2 AND v3 != 1", packet_length=packet_length@entry=46, is_com_multi=is_com_multi@entry=false, is_next_command=is_next_command@entry=false) at /data/src/10.2/sql/sql_parse.cc:1799

#14 0x00007f715fd9708d in do_command (thd=0x7f7154c16070) at /data/src/10.2/sql/sql_parse.cc:1359

#15 0x00007f715fe84f4a in do_handle_one_connection (connect=connect@entry=0x7f715d071410) at /data/src/10.2/sql/sql_connect.cc:1354

#16 0x00007f715fe85133 in handle_one_connection (arg=arg@entry=0x7f715d071410) at /data/src/10.2/sql/sql_connect.cc:1260

#17 0x00007f71601331bf in pfs_spawn_thread (arg=0x7f715d015df0) at /data/src/10.2/storage/perfschema/pfs.cc:1862

#18 0x00007f715f4860a4 in start_thread (arg=0x7f7160d96300) at pthread_create.c:309

#19 0x00007f715dca687d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111