mariadb/mysql-test/t/events_slow_query.test

create database if not exists events_test;
use events_test;

--disable_query_log
DELIMITER |;
CREATE FUNCTION get_value()
  returns INT
  deterministic
BEGIN
  DECLARE var_name CHAR(255);
  DECLARE var_val INT;
  DECLARE done INT DEFAULT 0;
  DECLARE cur1 CURSOR FOR SHOW GLOBAL VARIABLES LIKE 'long_query_time';
  DECLARE CONTINUE HANDLER FOR SQLSTATE '02000' SET done = 1;
  OPEN cur1;
  FETCH cur1 INTO var_name, var_val;
  CLOSE cur1;
  RETURN var_val;
end|
DELIMITER ;|
--enable_query_log
--echo "Save the values"
SET @old_global_long_query_time:=(select get_value());
SET @old_session_long_query_time:=@@long_query_time;
SHOW VARIABLES LIKE 'log_slow_queries';
DROP FUNCTION get_value;
TRUNCATE mysql.slow_log;
SELECT user_host, query_time, db, sql_text FROM mysql.slow_log;
--echo "Set new values"
SET GLOBAL long_query_time=4;
SET SESSION long_query_time=2;
--echo "Check that logging is working"
SELECT SLEEP(3);
SELECT user_host, query_time, db, sql_text FROM mysql.slow_log;
TRUNCATE mysql.slow_log;
CREATE TABLE slow_event_test (slo_val tinyint, val tinyint);
--echo "This won't go to the slow log"
CREATE EVENT long_event ON SCHEDULE EVERY 1 MINUTE DO INSERT INTO slow_event_test SELECT @@long_query_time, SLEEP(3);
SELECT * FROM slow_event_test;
SET GLOBAL event_scheduler=1;
--echo "Sleep some more time than the actual event run will take"
--sleep 5
SHOW VARIABLES LIKE 'event_scheduler';
--echo "Check our table. Should see 1 row"
SELECT * FROM slow_event_test;
--echo "Check slow log. Should not see anything because 3 is under the threshold of 4 for GLOBAL, though over SESSION which is 2"
SELECT user_host, query_time, db, sql_text FROM mysql.slow_log;
--echo "This should go to the slow log"
SET SESSION long_query_time=10;
DROP EVENT long_event;
CREATE EVENT long_event2 ON SCHEDULE EVERY 1 MINUTE DO INSERT INTO slow_event_test SELECT @@long_query_time, SLEEP(5);
--echo "Sleep some more time than the actual event run will take"
--sleep 7
--echo "Check our table. Should see 2 rows"
SELECT * FROM slow_event_test;
--echo "Check slow log. Should see 1 row because 5 is over the threshold of 4 for GLOBAL, though under SESSION which is 10"
SELECT user_host, query_time, db, sql_text FROM mysql.slow_log;
DROP EVENT long_event2;
SET GLOBAL  long_query_time =@old_global_long_query_time;
SET SESSION long_query_time =@old_session_long_query_time; 
TRUNCATE mysql.slow_log;
DROP TABLE slow_event_test;

drop database events_test;