mariadb/mysql-test/t/pool_of_threads.test

# Start with thread_handling=pool-of-threads
# and run a number of tests

-- source include/have_pool_of_threads.inc
SET @save_optimizer_switch=@@optimizer_switch;
SET optimizer_switch='outer_join_with_cache=off';
# Slow test, don't run during staging part
-- source include/not_staging.inc
-- source include/long_test.inc
-- source include/common-tests.inc
SET optimizer_switch=@save_optimizer_switch;

# Test that we cannot have more simultaneous connections than
# --thread-pool-size on the standard port, but _can_ have additional
# connections on the extra port.

# First set two connections running, and check that extra connection
# on normal port fails due to--thread-pool-max_threads=2
connection default;

# Sleep for slightly longer than 5 sec to trigger MDEV-4566 
# (abort in interruptible wait connection check)
send SELECT sleep(5.5); 
--sleep  1 

connect(con2,localhost,root,,);
connection con2;
send SELECT sleep(5);
--sleep  0.5

--disable_abort_on_error
--disable_result_log
--disable_query_log
connect(con3,localhost,root,,);
--enable_query_log
--enable_result_log
--enable_abort_on_error
let $error = $mysql_errno;
if (!$error)
{
  --echo # -- Error: managed to establish more than --thread_pool_max_threads connections
}
if ($error)
{
  --echo # -- Success: more than --thread_pool_max_threads normal connections not possible
}

connection default;
--reap
connection con2;
--reap

# Now try again, but this time use the extra port to successfully connect.

connection default;
send SELECT sleep(5);

connection con2;
send SELECT sleep(5);
--sleep 1

connect(extracon,127.0.0.1,root,,test,$MASTER_EXTRA_PORT,);
connection extracon;
SELECT 'Connection on extra port ok';

connect(extracon2,127.0.0.1,root,,test,$MASTER_EXTRA_PORT,);
connection extracon2;
SELECT 'Connection on extra port 2 ok';

--disable_abort_on_error
--disable_result_log
--disable_query_log
connect(extracon3,127.0.0.1,root,,test,$MASTER_EXTRA_PORT,);
--enable_query_log
--enable_result_log
--enable_abort_on_error
let $error = $mysql_errno;
if (!$error)
{
  --echo # -- Error: managed to establish more than --extra-max-connections + 1 connections
}
if ($error)
{
  --echo # -- Success: more than --extra-max-connections + 1 normal connections not possible
}

connection default;
--reap
connection con2;
--reap