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#
# This file contains test cases for bugs which involve views, several
# concurren connections and manifest themselves as wrong binary log
# sequence which results in broken replication. In principle we are
# mostly interested in SBR here but this test will also work with RBR.
#
--source include/not_group_replication_plugin.inc
--source include/master-slave.inc

--echo #
--echo # Bug #25144 "replication / binlog with view breaks".
--echo # Statements that used views didn't ensure that view were not modified
--echo # during their execution. Indeed this led to incorrect binary log with
--echo # statement based logging and as result to broken replication.
--echo #
#
# Suppress "unsafe" warnings. 
#
disable_query_log;
call mtr.add_suppression("Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT");
enable_query_log;


--disable_warnings
drop tables if exists t1, t2;
drop view if exists v1;
--enable_warnings
--echo # Syncing slave with master and switching to connection 'slave'
--source include/sync_slave_sql_with_master.inc

connect (master2,127.0.0.1,root,,test,$MASTER_MYPORT,);

--echo # Switching to connection 'master'
connection master;
create table t1 (i int);
create table t2 (i int);
create view v1 as select * from t1;

--echo # First we try to concurrently execute statement that uses view
--echo # and statement that drops it. We use "user" locks as means to
--echo # suspend execution of first statement once it opens our view.
select get_lock("lock_bg25144", 1);

--echo # Switching to connection 'master1'
connection master1;
--send insert into v1 values (get_lock("lock_bg25144", 100))

--echo # Switching to connection 'master2'
connection master2;
let $wait_condition=
  select count(*) = 1 from information_schema.processlist
  where state = "User lock" and info like "insert into v1 %lock_bg25144%";
--source include/wait_condition_or_abort.inc
--send drop view v1

--echo # Switching to connection 'master'
connection master;
let $wait_condition=
  select count(*) = 1 from information_schema.processlist
  where state = "Waiting for table metadata lock" and info = "drop view v1";
--source include/wait_condition_or_abort.inc

select release_lock("lock_bg25144");

--echo # Switching to connection 'master1'
connection master1;
--disable_warnings
--reap
--enable_warnings
select release_lock("lock_bg25144");

--echo # Switching to connection 'master2'
connection master2;
--reap

--echo # Switching to connection 'master'
connection master;
--echo # Check that insertion through view did happen.
select * from t1;
--echo # Syncing slave with master and switching to connection 'slave'
--source include/sync_slave_sql_with_master.inc
--echo # Check that slave was able to replicate this sequence
--echo # which means that we got correct binlog order.
select * from t1;

--echo # Switching to connection 'master'
connection master;
--echo # Now we will repeat the test by trying concurrently execute
--echo # statement that uses a view and statement that alters it.
create view v1 as select * from t1;

select get_lock("lock_bg25144", 1);

--echo # Switching to connection 'master1'
connection master1;
--send insert into v1 values (get_lock("lock_bg25144", 100))

--echo # Switching to connection 'master2'
connection master2;
let $wait_condition=
  select count(*) = 1 from information_schema.processlist
  where state = "User lock" and info like "insert into v1 %lock_bg25144%";
--source include/wait_condition_or_abort.inc
--send alter view v1 as select * from t2

--echo # Switching to connection 'master'
connection master;
let $wait_condition=
  select count(*) = 1 from information_schema.processlist
  where state = "Waiting for table metadata lock" and
  info = "alter view v1 as select * from t2";
--source include/wait_condition_or_abort.inc

select release_lock("lock_bg25144");

--echo # Switching to connection 'master1'
connection master1;
--disable_warnings
--reap
--enable_warnings
select release_lock("lock_bg25144");

--echo # Switching to connection 'master2'
connection master2;
--reap

--echo # Switching to connection 'master'
connection master;

--echo # Second insertion should go to t1 as well.
select * from t1;
select * from t2;

--echo # Syncing slave with master and switching to connection 'slave'
--source include/sync_slave_sql_with_master.inc
--echo # Now let us check that statements were logged in proper order
--echo # So we have same result on slave.
select * from t1;
select * from t2;

--echo # Switching to connection 'master'
connection master;
drop table t1, t2;
drop view v1;
--echo # Syncing slave with master and switching to connection 'slave'
--source include/sync_slave_sql_with_master.inc
--source include/rpl_end.inc