CALL mtr.add_suppression("Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT."); CREATE TABLE `t1` ( `a` int(11) NOT NULL auto_increment, `b` int(11) default NULL, PRIMARY KEY (`a`) ) ENGINE=MyISAM DEFAULT CHARSET=latin1 ; CREATE TABLE `t2` ( `a` int(11) NOT NULL auto_increment, `b` int(11) default NULL, PRIMARY KEY (`a`) ) ENGINE=MyISAM DEFAULT CHARSET=latin1 ; set @sav_binlog_format= @@session.binlog_format; set @@session.binlog_format= mixed; insert into t1 values (1,1),(2,2); insert into t2 values (1,1),(4,4); reset master; UPDATE t2,t1 SET t2.a=t1.a+2; ERROR 23000: Duplicate entry '3' for key 'PRIMARY' select * from t2 /* must be (3,1), (4,4) */; a b 3 1 4 4 include/show_binlog_events.inc Log_name Pos Event_type Server_id End_log_pos Info master-bin.000001 # Gtid # # BEGIN GTID #-#-# master-bin.000001 # Annotate_rows # # UPDATE t2,t1 SET t2.a=t1.a+2 master-bin.000001 # Table_map # # table_id: # (test.t2) master-bin.000001 # Update_rows_v1 # # table_id: # flags: STMT_END_F master-bin.000001 # Query # # COMMIT delete from t1; delete from t2; insert into t1 values (1,2),(3,4),(4,4); insert into t2 values (1,2),(3,4),(4,4); reset master; UPDATE t2,t1 SET t2.a=t2.b where t2.a=t1.a; ERROR 23000: Duplicate entry '4' for key 'PRIMARY' include/show_binlog_events.inc Log_name Pos Event_type Server_id End_log_pos Info master-bin.000001 # Gtid # # BEGIN GTID #-#-# master-bin.000001 # Annotate_rows # # UPDATE t2,t1 SET t2.a=t2.b where t2.a=t1.a master-bin.000001 # Table_map # # table_id: # (test.t2) master-bin.000001 # Update_rows_v1 # # table_id: # flags: STMT_END_F master-bin.000001 # Query # # COMMIT drop table t1, t2; set @@session.binlog_format= @sav_binlog_format; CREATE TABLE t1 (a int, PRIMARY KEY (a)); CREATE TABLE t2 (a int, PRIMARY KEY (a)); CREATE TABLE t3 (a int, PRIMARY KEY (a)) ENGINE=MyISAM; create trigger trg_del_t3 before delete on t3 for each row insert into t1 values (1); insert into t2 values (1),(2); insert into t3 values (1),(2); reset master; delete t3.* from t2,t3 where t2.a=t3.a; ERROR 23000: Duplicate entry '1' for key 'PRIMARY' select count(*) from t1 /* must be 1 */; count(*) 1 select count(*) from t3 /* must be 1 */; count(*) 1 drop table t1, t2, t3;