Thread 37 "mysqld" hit Breakpoint 1, mysql_execute_command (thd=0x7fff78001120) at /home/jan/mysql/10.4/sql/sql_parse.cc:6192

(gdb) where

#0  mysql_execute_command (thd=0x7fff78001120) at /home/jan/mysql/10.4/sql/sql_parse.cc:6192

#1  0x0000555555d9e83c in mysql_parse (thd=0x7fff78001120, rawbuf=0x7fff78013468 "TRUNCATE TABLE book", length=19, parser_state=0x7fffe8576430, is_com_multi=false, is_next_command=false) at /home/jan/mysql/10.4/sql/sql_parse.cc:7995

#2  0x0000555555d9df2e in wsrep_mysql_parse (thd=0x7fff78001120, rawbuf=0x7fff78013468 "TRUNCATE TABLE book", length=19, parser_state=0x7fffe8576430, is_com_multi=false, is_next_command=false) at /home/jan/mysql/10.4/sql/sql_parse.cc:7799

#3  0x0000555555d8aa42 in dispatch_command (command=COM_QUERY, thd=0x7fff78001120, packet=0x7fff7800abf1 "TRUNCATE TABLE book", packet_length=19, is_com_multi=false, is_next_command=false) at /home/jan/mysql/10.4/sql/sql_parse.cc:1843

#4  0x0000555555d893b3 in do_command (thd=0x7fff78001120) at /home/jan/mysql/10.4/sql/sql_parse.cc:1373

#5  0x0000555555f1b7b5 in do_handle_one_connection (connect=0x5555583d1ea0) at /home/jan/mysql/10.4/sql/sql_connect.cc:1420

#6  0x0000555555f1b451 in handle_one_connection (arg=0x5555583d1ea0) at /home/jan/mysql/10.4/sql/sql_connect.cc:1316

#7  0x0000555556947f95 in pfs_spawn_thread (arg=0x55555805dbc0) at /home/jan/mysql/10.4/storage/perfschema/pfs.cc:1869

#8  0x00007ffff7a5f450 in start_thread (arg=0x7fffe8577640) at pthread_create.c:473

#9  0x00007ffff75f6d53 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

(gdb) p lex->sql_command

$1 = SQLCOM_TRUNCATE

(gdb) p lex->no_write_to_binlog

$2 = 165

(gdb) p thd->lex->no_write_to_binlog

$3 = 165