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# This test checks that in a dual-head setup
# A->B->A, where A has --log-slave-updates (why would it?
# assume that there is a C as slave of A),
# then the Exec_master_log_pos of SHOW SLAVE STATUS does
# not stay too low on B(BUG#13023 due to events ignored because
# of their server id).
# It also will test BUG#13861.
source include/master-slave.inc;
source include/have_innodb.inc;
# set up "dual head"
connection slave;
reset master;
connection master;
--replace_result $SLAVE_MYPORT SLAVE_PORT
eval change master to master_host="127.0.0.1",master_port=$SLAVE_MYPORT,master_user="root";
start slave;
# now we test it
connection slave;
create table t1 (n int);
save_master_pos;
connection master;
sync_with_master;
#
# BUG#13861 - START SLAVE UNTIL may stop 1 evnt too late if
# log-slave-updates and circul repl
#
stop slave;
create table t2 (n int); # create one ignored event
save_master_pos;
connection slave;
sync_with_master;
connection slave;
show tables;
save_master_pos;
create table t3 (n int) engine=innodb;
set @a=1;
insert into t3 values(@a);
begin;
insert into t3 values(2);
insert into t3 values(3);
commit;
insert into t3 values(4);
connection master;
# bug is that START SLAVE UNTIL may stop too late, we test that by
# asking it to stop before creation of t3.
start slave until master_log_file="slave-bin.000001",master_log_pos=195;
# wait until it's started (the position below is the start of "CREATE
# TABLE t2") (otherwise wait_for_slave_to_stop may return at once)
select master_pos_wait("slave-bin.000001",137);
wait_for_slave_to_stop;
# then BUG#13861 causes t3 to show up below (because stopped too
# late).
show tables;
# ensure that we do not break set @a=1; insert into t3 values(@a);
start slave until master_log_file="slave-bin.000001",master_log_pos=438;
wait_for_slave_to_stop;
select * from t3;
# ensure that we do not break transaction
start slave until master_log_file="slave-bin.000001",master_log_pos=663;
wait_for_slave_to_stop;
select * from t3;
start slave;
# BUG#13023 is that Exec_master_log_pos may stay too low "forever":
connection master;
create table t4 (n int); # create 3 ignored events
create table t5 (n int);
create table t6 (n int);
save_master_pos;
connection slave;
sync_with_master;
connection slave;
save_master_pos;
connection master;
# then BUG#13023 caused hang below ("master" looks behind, while it's
# not in terms of updates done).
sync_with_master;
show tables;
# cleanup
stop slave;
reset slave;
drop table t1,t2,t3,t4,t5,t6;
save_master_pos;
connection slave;
sync_with_master;
# End of 4.1 tests
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