mariadb/mysql-test/t/events_stress.test

CREATE DATABASE IF NOT EXISTS events_test;
#
# DROP DATABASE test start (bug #16406)
#
CREATE DATABASE events_test2;
USE events_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 WHERE EVENT_SCHEMA='events_test2';
DROP DATABASE events_test2;
SELECT COUNT(*) FROM INFORMATION_SCHEMA.EVENTS WHERE EVENT_SCHEMA='events_test2';

--echo "Now testing stability - dropping db -> events while they are running"
CREATE DATABASE events_test2;
USE events_test2;
--disable_query_log
let $1= 1000;
while ($1)
{
  eval CREATE EVENT ev_drop$1 ON SCHEDULE EVERY 1 SECOND DO SELECT $1;
  dec $1;
}
--enable_query_log
SELECT COUNT(*) FROM INFORMATION_SCHEMA.EVENTS WHERE EVENT_SCHEMA='events_test2';
SET GLOBAL event_scheduler=1;
--sleep 4
DROP DATABASE events_test2;

SET GLOBAL event_scheduler=0;
--sleep 2
SELECT COUNT(*) FROM INFORMATION_SCHEMA.EVENTS WHERE EVENT_SCHEMA='events_test2';
CREATE DATABASE events_test3;
USE events_test3;
--disable_query_log
let $1= 950;
while ($1)
{
  eval CREATE EVENT ev_drop$1 ON SCHEDULE EVERY 1 SECOND DO SELECT $1;
  dec $1;
}
--enable_query_log
SELECT COUNT(*) FROM INFORMATION_SCHEMA.EVENTS WHERE EVENT_SCHEMA='events_test3';
--sleep 3
CREATE DATABASE events_test4;
USE events_test4;
--disable_query_log
let $1= 860;
while ($1)
{
  eval CREATE EVENT ev_drop$1 ON SCHEDULE EVERY 1 SECOND DO SELECT $1;
  dec $1;
}
--enable_query_log


CREATE DATABASE events_test2;
USE events_test2;
--disable_query_log
let $1= 1050;
while ($1)
{
  eval CREATE EVENT ev_drop$1 ON SCHEDULE EVERY 1 SECOND DO SELECT $1;
  dec $1;
}
--enable_query_log
SELECT COUNT(*) FROM INFORMATION_SCHEMA.EVENTS WHERE EVENT_SCHEMA='events_test2';
--sleep 6
DROP DATABASE events_test2;
SET GLOBAL event_scheduler=0;
DROP DATABASE events_test3;
SET GLOBAL event_scheduler=1;
DROP DATABASE events_test4;
SET GLOBAL event_scheduler=1;
USE events_test;
#
# DROP DATABASE test end (bug #16406)
#
DROP DATABASE events_test;