#
# BUG#27165446 PARALLEL REPLICATION OF CREATE/ALTER/DROP DATABASE DEADLOCK,
# EARLY MDL RELEASE
#
# The test verifies ALTER TABLE and ALTER DATABASE should not be executed in
# parallel on slave.
# Last_committed is always equal to the sequence_number of previous statement.
#

--source include/have_debug.inc
--source include/master-slave.inc

# Setup to run ALTER TABLE and ALTER DATABASE in parallel.
CREATE DATABASE d1 CHARACTER SET UTF8MB4;
CREATE TABLE d1.t1 (a INT NOT NULL, b VARCHAR(10));

--source include/sync_slave_sql_with_master.inc
--source include/stop_slave.inc

SET @save_slave_parallel_type = @@GLOBAL.slave_parallel_type;
SET @save_slave_parallel_workers = @@GLOBAL.slave_parallel_workers;
SET @saved_slave_preserve_commit_order = @@GLOBAL.slave_preserve_commit_order;
SET @saved_debug= @@GLOBAL.debug;

SET GLOBAL slave_parallel_type = LOGICAL_CLOCK;
SET GLOBAL slave_parallel_workers = 4;
SET GLOBAL slave_preserve_commit_order= ON;
## Sleep so any other statement running parallely executes first.
set GLOBAL debug="+d,delay_alter_table_by_one_second";

# Run ALTER TABLE and ALTER DATABASE in parallel.
--connection master
INSERT INTO d1.t1 VALUES(1, "");
--send ALTER TABLE d1.t1 ADD PRIMARY KEY (a)

--connection master1
--send ALTER DATABASE d1 DEFAULT CHARACTER SET = 'latin1'

--connection master
--reap

--connection master1
--reap

--connection slave
FLUSH TABLES;
--source include/start_slave.inc

# Verify ALTER TABLE and ALTER DATABASE do not run in parallel.
--connection master
--source include/sync_slave_sql_with_master.inc
--let $binlog_file= query_get_value(SHOW SLAVE STATUS, Relay_Log_File, 1)
--let $logical_timestamps=3 4
--source include/assert_logical_timestamps.inc
--source include/stop_slave.inc

# Assert ALTER TABLE and ALTER DATABASE runs successfully.
--let $assert_text= 'ALTER DATABASE runs successfully.'
--let $assert_cond= [SELECT COUNT(*) FROM information_schema.schemata WHERE schema_name = "d1" AND DEFAULT_CHARACTER_SET_NAME = "latin1"] = 1
--source include/assert.inc

--let $assert_text= 'ALTER TABLE runs successfully.'
--let $assert_cond= [SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS WHERE TABLE_SCHEMA = "d1" AND TABLE_NAME = "t1" AND COLUMN_KEY = "PRI"] = 1
--source include/assert.inc

# Cleanup
--connection master
DROP TABLE d1.t1;
DROP DATABASE d1;

--connection slave
SET @@GLOBAL.slave_parallel_type= @save_slave_parallel_type;
SET @@GLOBAL.slave_parallel_workers= @save_slave_parallel_workers;
SET @@GLOBAL.slave_preserve_commit_order= @saved_slave_preserve_commit_order;
SET @@GLOBAL.debug= @saved_debug;

--source include/start_slave.inc
--connection master
--source include/sync_slave_sql_with_master.inc

--source include/rpl_end.inc