190819 12:57:35 [ERROR] mysqld got signal 11 ;

/lib/x86_64-linux-gnu/libpthread.so.0(+0x11390)[0x7f3df9cf9390]

sql/item.h:2494(Item_args::walk_args(bool (Item::*)(void*), bool, void*))[0x556c49bcaa12]

sql/item.h:5060(Item_func_or_sum::walk(bool (Item::*)(void*), bool, void*))[0x556c49bcaff3]

sql/table.cc:3235(fix_session_vcol_expr(THD*, Virtual_column_info*))[0x556c49d790d1]

sql/sql_base.cc:5412(fix_all_session_vcol_exprs(THD*, TABLE_LIST*))[0x556c49bbf823]

sql/sql_base.cc:5590(lock_tables(THD*, TABLE_LIST*, unsigned int, unsigned int))[0x556c49bbff2a]

sql/sql_update.cc:416(mysql_update(THD*, TABLE_LIST*, List<Item>&, List<Item>&, Item*, unsigned int, st_order*, unsigned long long, bool, unsigned long long*, unsigned long long*))[0x556c49d5d953]

sql/sql_parse.cc:4376(mysql_execute_command(THD*))[0x556c49c59416]

sql/sql_parse.cc:7908(mysql_parse(THD*, char*, unsigned int, Parser_state*, bool, bool))[0x556c49c65aa6]

sql/sql_parse.cc:1845(dispatch_command(enum_server_command, THD*, char*, unsigned int, bool, bool))[0x556c49c51d14]

sql/sql_parse.cc:1360(do_command(THD*))[0x556c49c5042e]

sql/sql_connect.cc:1404(do_handle_one_connection(CONNECT*))[0x556c49dcb362]

sql/sql_connect.cc:1307(handle_one_connection)[0x556c49dcb08b]

perfschema/pfs.cc:1864(pfs_spawn_thread)[0x556c4a6f7849]

/lib/x86_64-linux-gnu/libpthread.so.0(+0x76ba)[0x7f3df9cef6ba]

/lib/x86_64-linux-gnu/libc.so.6(clone+0x6d)[0x7f3df8f8041d]

Query (0x7f3de0013128): explain UPDATE gafld SET nuigafld = 0 WHERE nuigafld = 10