polardbxengine/mysql-test/suite/rpl/t/rpl_parallel_temp_query.test

#
# WL#5569 MTS
#
# The test verifies correctness of Query events parallelization.
#

--source include/not_group_replication_plugin.inc
--source include/have_binlog_format_statement.inc
--source include/master-slave.inc

call mtr.add_suppression('Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT.');

let $temp_tables= 16;
let $workers= 4;

connection slave;

flush status; # to nullify Slave_open_temp_tables

# restart in Parallel
source include/stop_slave.inc;
set @save.slave_parallel_workers= @@global.slave_parallel_workers;
eval set @@global.slave_parallel_workers= $workers;

source include/start_slave.inc;

# Two connections each create 2 db:s a regular table and a set of temp tables.
# The temp tables contribute content to the regular tables.
# In the end there must be consistent data on both sides.

connection master;

let $n= `select round($workers/2)`;
let $n1= `select $n`;
while ($n)
{
  eval create database d$n1;
  eval use d$n1;
  eval create table d$n1.t1 (a int auto_increment primary key, b int) engine=innodb;
  let $i= $temp_tables;

--disable_query_log
  while($i)
  {
    let $temp_rows= `select round(rand()*$temp_tables) + 1`;
    let $k= $temp_rows;
    # create makes a table in explicit db
    eval create temporary table d$n1.tt_$i (a int auto_increment primary key);
    while($k)
    {
	eval insert into tt_$i values (null);
	dec $k;
    }
    dec $i;
  }
--enable_query_log

  let $j= `select floor(rand()*$temp_tables) + 1`;
--replace_regex /tt_.*/tt_##/
  eval insert into d$n1.t1 (b) select count(*) from tt_$j;
  dec $n;
  dec $n1;
}

connection master1;

let $n= `select round($workers/2)`;
let $n1= `select 2*$n`;
while ($n)
{
  eval create database d$n1;
  eval use d$n1;
  eval create table d$n1.t1 (a int auto_increment primary key, b int) engine=innodb;
  let $i= $temp_tables;

--disable_query_log
  while($i)
  {
    let $temp_rows= `select round(rand()*$temp_tables) + 1`;
    let $k= $temp_rows;
    # create makes a table in the default db
    eval create temporary table tt_$i (a int auto_increment primary key);
    while($k)
    {
	eval insert into tt_$i values (null);
	dec $k;
    }
    dec $i;
  }
--enable_query_log

  let $j= `select floor(rand()*$temp_tables) + 1`;
--replace_regex /tt_.*/tt_##/
  eval insert into d$n1.t1 (b) select count(*) from tt_$j;
  dec $n;
  dec $n1;
}

--source include/sync_slave_sql_with_master.inc

if (`select variable_value - $workers*$temp_tables as must_be_zero from performance_schema.global_status where variable_name like 'Slave_open_temp_tables'`)
{
   --let $actual_temps= `select variable_value from performance_schema.global_status where variable_name like 'Slave_open_temp_tables'`
   --let $exected= `select  $workers*$temp_tables`
   --echo *** Wrong value of Slave_open_temp_tables: got $actual_temps, expected $expected ***
   --die
}

#
# Consistency check
#

let $n = $workers;
while($n)
{
  let $diff_tables=master:d$n.t1, slave:d$n.t1;
  source include/diff_tables.inc;

  dec $n;
}

#
# cleanup
#
# All temp tables are removed explicitly.
#

connection master;
let $n= `select round($workers/2)`;
let $n1= `select $n`;
while($n)
{
  eval use d$n1;
  let $i= $temp_tables;

--disable_query_log
  while($i)
  {
    eval drop temporary table tt_$i;
    dec $i;
  }
--enable_query_log
  dec $n;
  dec $n1;
}

let $n= `select round($workers/2)`;
let $n1= `select $n`;
while ($n)
{
  eval drop database d$n1;
  dec $n;
  dec $n1;
}

connection master1;

let $n= `select round($workers/2)`;
let $n1= `select 2*$n`;
while ($n)
{
  eval use d$n1;
  let $i= $temp_tables;
--disable_query_log
  while($i)
  {
    eval drop temporary table tt_$i;
    dec $i;
  }
--enable_query_log
  dec $n;
  dec $n1;
}

--source include/sync_slave_sql_with_master.inc
#connection slave;

connection master1;
disconnect master1;

#
# Clean-up
#

connection master;

let $n= `select round($workers/2)`;
let $n1= `select 2*$n`;
while ($n)
{
  eval drop database d$n1;
  dec $n;
  dec $n1;
}

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

set @@global.slave_parallel_workers= @save.slave_parallel_workers;
CHANGE MASTER TO MASTER_AUTO_POSITION= 0;
--let $rpl_only_running_threads= 1
--source include/rpl_end.inc