stop slave; drop table if exists t1,t2,t3,t4,t5,t6,t7,t8,t9; reset master; reset slave; drop table if exists t1,t2,t3,t4,t5,t6,t7,t8,t9; start slave; reset master; create table t1(n char(30)); set @i1:=12345678901234, @i2:=-12345678901234, @i3:=0, @i4:=-1; set @s1:='This is a test', @r1:=12.5, @r2:=-12.5; set @n1:=null; set @s2:='', @s3:='abc\'def', @s4:= 'abc\\def', @s5:= 'abc''def'; insert into t1 values (@i1), (@i2), (@i3), (@i4); insert into t1 values (@r1), (@r2); insert into t1 values (@s1), (@s2), (@s3), (@s4), (@s5); insert into t1 values (@n1); insert into t1 values (@n2); insert into t1 values (@a:=0), (@a:=@a+1), (@a:=@a+1); insert into t1 values (@a+(@b:=@a+1)); set @q:='abc'; insert t1 values (@q), (@q:=concat(@q, 'n1')), (@q:=concat(@q, 'n2')); set @a:=5; insert into t1 values (@a),(@a); select * from t1; n 12345678901234 -12345678901234 0 -1 12.5 -12.5 This is a test abc'def abc\def abc'def NULL NULL 0 1 2 5 abc abcn1 abcn1n2 5 5 show binlog events from 141; Log_name Pos Event_type Server_id Orig_log_pos Info slave-bin.000001 141 User var 2 141 @i1=12345678901234 slave-bin.000001 184 User var 2 184 @i2=-12345678901234 slave-bin.000001 227 User var 2 227 @i3=0 slave-bin.000001 270 User var 2 270 @i4=-1 slave-bin.000001 313 Query 1 313 use `test`; insert into t1 values (@i1), (@i2), (@i3), (@i4) slave-bin.000001 396 User var 2 396 @r1=12.5 slave-bin.000001 439 User var 2 439 @r2=-12.5 slave-bin.000001 482 Query 1 482 use `test`; insert into t1 values (@r1), (@r2) slave-bin.000001 551 User var 2 551 @s1='This is a test' slave-bin.000001 600 User var 2 600 @s2='' slave-bin.000001 635 User var 2 635 @s3='abc'def' slave-bin.000001 677 User var 2 677 @s4='abc\def' slave-bin.000001 719 User var 2 719 @s5='abc'def' slave-bin.000001 761 Query 1 761 use `test`; insert into t1 values (@s1), (@s2), (@s3), (@s4), (@s5) slave-bin.000001 851 User var 2 851 @n1=NULL slave-bin.000001 877 Query 1 877 use `test`; insert into t1 values (@n1) slave-bin.000001 939 Query 1 939 use `test`; insert into t1 values (@n2) slave-bin.000001 1001 Query 1 1001 use `test`; insert into t1 values (@a:=0), (@a:=@a+1), (@a:=@a+1) slave-bin.000001 1089 User var 2 1089 @a='2' slave-bin.000001 1124 Query 1 1124 use `test`; insert into t1 values (@a+(@b:=@a+1)) slave-bin.000001 1196 User var 2 1196 @q='abc' slave-bin.000001 1233 Query 1 1233 use `test`; insert t1 values (@q), (@q:=concat(@q, 'n1')), (@q:=concat(@q, 'n2')) slave-bin.000001 1337 User var 2 1337 @a=5 slave-bin.000001 1379 Query 1 1379 use `test`; insert into t1 values (@a),(@a) drop table t1; stop slave;