test-example-projects/c++_projects/280w-mysql-8.0.18/mysql-test/t/events_stress.test

--source include/big_test.inc

CREATE DATABASE IF NOT EXISTS events_test;
#
# DROP DATABASE test start (bug #16406)
#
CREATE DATABASE events_conn1_test2;
# BUG#20676: MySQL in debug mode has a limit of 100 waiters
# (in mysys/thr_lock.c), so use three different tables to insert into.
CREATE TABLE events_test.fill_it1(test_name varchar(20), occur datetime);
CREATE TABLE events_test.fill_it2(test_name varchar(20), occur datetime);
CREATE TABLE events_test.fill_it3(test_name varchar(20), occur datetime);
CREATE USER event_user2@localhost;
CREATE DATABASE events_conn2_db;
GRANT ALL ON *.* TO event_user2@localhost;
CREATE USER event_user3@localhost;
CREATE DATABASE events_conn3_db;
GRANT ALL ON *.* TO event_user3@localhost;
connect (conn2,localhost,event_user2,,events_conn2_db);
--echo "In the second connection we create some events which won't be dropped till the end"
--disable_query_log
let $1= 50;
while ($1)
{
  eval CREATE EVENT conn2_ev$1 ON SCHEDULE EVERY 1 SECOND DO INSERT INTO events_test.fill_it1 VALUES("conn2_ev$1", NOW());
  dec $1;
}
--enable_query_log
connect (conn3,localhost,event_user3,,events_conn3_db);
--echo "In the second connection we create some events which won't be dropped till the end"
--disable_query_log
let $1= 50;
while ($1)
{
  eval CREATE EVENT conn3_ev$1 ON SCHEDULE EVERY 1 SECOND DO INSERT INTO events_test.fill_it1 VALUES("conn3_ev$1", NOW());
  dec $1;
}
--enable_query_log
connection default;
USE events_conn1_test2;
CREATE EVENT ev_drop1 ON SCHEDULE EVERY 10 MINUTE DISABLE DO SELECT 1;
CREATE EVENT ev_drop2 ON SCHEDULE EVERY 10 MINUTE DISABLE DO SELECT 1;
CREATE EVENT ev_drop3 ON SCHEDULE EVERY 10 MINUTE DISABLE DO SELECT 1;
USE events_test;
SELECT COUNT(*) FROM INFORMATION_SCHEMA.EVENTS;
SELECT COUNT(*) FROM INFORMATION_SCHEMA.EVENTS WHERE EVENT_SCHEMA='events_conn1_test2';
DROP DATABASE events_conn1_test2;
SELECT COUNT(*) FROM INFORMATION_SCHEMA.EVENTS WHERE EVENT_SCHEMA='events_conn1_test2';

--echo "Now testing stability - dropping db -> events while they are running"
CREATE DATABASE events_conn1_test2;
USE events_conn1_test2;
--disable_query_log
let $1= 50;
while ($1)
{
  eval CREATE EVENT conn1_round1_ev$1 ON SCHEDULE EVERY 1 SECOND DO INSERT INTO events_test.fill_it2 VALUES("conn1_round1_ev$1", NOW());
  dec $1;
}
--enable_query_log
SELECT COUNT(*) FROM INFORMATION_SCHEMA.EVENTS WHERE EVENT_SCHEMA='events_conn1_test2';
SET GLOBAL event_scheduler=on;
--sleep 2.5
DROP DATABASE events_conn1_test2;

SET GLOBAL event_scheduler=off;
--source include/no_running_event_scheduler.inc

SELECT COUNT(*) FROM INFORMATION_SCHEMA.EVENTS WHERE EVENT_SCHEMA='events_conn1_test2';
CREATE DATABASE events_conn1_test3;
USE events_conn1_test3;
--disable_query_log
let $1= 50;
while ($1)
{
  eval CREATE EVENT conn1_round2_ev$1 ON SCHEDULE EVERY 1 SECOND DO INSERT INTO events_test.fill_it2 VALUES("conn1_round2_ev$1", NOW());
  dec $1;
}
--enable_query_log
SET GLOBAL event_scheduler=on;
--source include/running_event_scheduler.inc

SELECT COUNT(*) FROM INFORMATION_SCHEMA.EVENTS WHERE EVENT_SCHEMA='events_conn1_test3';
CREATE DATABASE events_conn1_test4;
USE events_conn1_test4;
--disable_query_log
let $1= 50;
while ($1)
{
  eval CREATE EVENT conn1_round3_ev$1 ON SCHEDULE EVERY 1 SECOND DO INSERT INTO events_test.fill_it3 VALUES("conn1_round3_ev$1", NOW());
  dec $1;
}
--enable_query_log

CREATE DATABASE events_conn1_test2;
USE events_conn1_test2;
--disable_query_log
let $1= 50;
while ($1)
{
  eval CREATE EVENT ev_round4_drop$1 ON SCHEDULE EVERY 1 SECOND DO INSERT INTO events_test.fill_it3 VALUES("conn1_round4_ev$1", NOW());
  dec $1;
}
--enable_query_log
SELECT COUNT(*) FROM INFORMATION_SCHEMA.EVENTS WHERE EVENT_SCHEMA='events_conn1_test2';
--sleep 2.5
connection conn2;
--send
DROP DATABASE events_conn2_db;
connection conn3;
--send
DROP DATABASE events_conn3_db;
connection default;
# --send
DROP DATABASE events_conn1_test2;
DROP DATABASE events_conn1_test3;
SET GLOBAL event_scheduler=off;
--source include/no_running_event_scheduler.inc
DROP DATABASE events_conn1_test4;
SET GLOBAL event_scheduler=on;
--source include/running_event_scheduler.inc
connection conn2;
reap;
disconnect conn2;
connection conn3;
reap;
disconnect conn3;
connection default;
USE events_test;
DROP TABLE fill_it1;
DROP TABLE fill_it2;
DROP TABLE fill_it3;
--disable_query_log
DROP USER event_user2@localhost;
DROP USER event_user3@localhost;
--enable_query_log
#
# DROP DATABASE test end (bug #16406)
#

DROP DATABASE events_test;