SET SQL_MODE="";
drop database if exists events_test;
drop database if exists mysqltest_db1;
drop database if exists mysqltest_db2;
set collation_server=latin1_swedish_ci;
create database events_test;
use events_test;
set @concurrent_insert= @@global.concurrent_insert;
set @@global.concurrent_insert = 0;
select * from information_schema.global_variables where variable_name like 'event_scheduler';
VARIABLE_NAME	VARIABLE_VALUE
EVENT_SCHEDULER	ON
SET GLOBAL event_scheduler = 'OFF';
CREATE EVENT lower_case ON SCHEDULE EVERY 1 MINUTE DO SELECT 1;
Warnings:
Warning	1105	Event scheduler is switched off, use SET GLOBAL event_scheduler=ON to enable it.
CREATE EVENT Lower_case ON SCHEDULE EVERY 2 MINUTE DO SELECT 2;
ERROR HY000: Event 'Lower_case' already exists
DROP EVENT Lower_case;
SET NAMES cp1251;
CREATE EVENT �����_��������_1251 ON SCHEDULE EVERY 1 YEAR DO SELECT 100;
Warnings:
Warning	1105	Event scheduler is switched off, use SET GLOBAL event_scheduler=ON to enable it.
CREATE EVENT �����_��������_1251 ON SCHEDULE EVERY 2 YEAR DO SELECT 200;
ERROR HY000: Event '�����_��������_1251' already exists
DROP EVENT �����_��������_1251;
SET NAMES utf8;
CREATE EVENT долен_регистър_утф8 ON SCHEDULE EVERY 3 YEAR DO SELECT 300;
Warnings:
Warning	1105	Event scheduler is switched off, use SET GLOBAL event_scheduler=ON to enable it.
CREATE EVENT ДОЛЕН_регистър_утф8 ON SCHEDULE EVERY 4 YEAR DO SELECT 400;
ERROR HY000: Event 'ДОЛЕН_регистър_утф8' already exists
DROP EVENT ДОЛЕН_регистър_утф8;
SET NAMES latin1;
set @a=3;
CREATE PROCEDURE p_16 () CREATE EVENT e_16 ON SCHEDULE EVERY @a SECOND DO SET @a=5;
ERROR HY000: Recursion of EVENT DDL statements is forbidden when body is present
create event e_55 on schedule at 99990101000000 do drop table t;
ERROR HY000: Incorrect AT value: '99990101000000'
create event e_55 on schedule every 10 hour starts 99990101000000 do drop table t;
ERROR HY000: Incorrect STARTS value: '99990101000000'
create event e_55 on schedule every 10 minute ends 99990101000000 do drop table t;
ERROR HY000: ENDS is either invalid or before STARTS
create event e_55 on schedule at 10000101000000 do drop table t;
ERROR HY000: Incorrect AT value: '10000101000000'
create event e_55 on schedule at 20000101000000 do drop table t;
Warnings:
Note	1588	Event execution time is in the past and ON COMPLETION NOT PRESERVE is set. The event was dropped immediately after creation
show events;
Db	Name	Definer	Time zone	Type	Execute at	Interval value	Interval field	Starts	Ends	Status	Originator	character_set_client	collation_connection	Database Collation
create event e_55 on schedule at 20200101000000 starts 10000101000000 do drop table t;
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'starts 10000101000000 do drop table t' at line 1
create event e_55 on schedule at 20200101000000 ends 10000101000000 do drop table t;
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'ends 10000101000000 do drop table t' at line 1
create event e_55 on schedule at 20200101000000 starts 10000101000000 ends 10000101000000 do drop table t;
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'starts 10000101000000 ends 10000101000000 do drop table t' at line 1
create event e_55 on schedule every 10 hour starts 10000101000000 do drop table t;
ERROR HY000: Incorrect STARTS value: '10000101000000'
set global event_scheduler=off;
delete from mysql.event;
set global event_scheduler= on;
set @old_sql_mode:=@@sql_mode;
set sql_mode=ansi;
select get_lock('test_bug16407', 60);
get_lock('test_bug16407', 60)
1
create event e_16407 on schedule every 60 second do
begin
select get_lock('test_bug16407', 60);
end|
"Now if everything is fine the event has compiled and is locked"
select /*1*/ user, host, db, info from information_schema.processlist
where state = 'User lock' and info = 'select get_lock(\'test_bug16407\', 60)';
user	host	db	info
root	localhost	events_test	select get_lock('test_bug16407', 60)
select release_lock('test_bug16407');
release_lock('test_bug16407')
1
set global event_scheduler= off;
select event_schema, event_name, sql_mode from information_schema.events order by event_schema, event_name;
event_schema	event_name	sql_mode
events_test	e_16407	REAL_AS_FLOAT,PIPES_AS_CONCAT,ANSI_QUOTES,IGNORE_SPACE,ANSI
"Let's check whether we change the sql_mode on ALTER EVENT"
set sql_mode='traditional';
alter event e_16407 do select 1;
select event_schema, event_name, sql_mode from information_schema.events order by event_schema, event_name;
event_schema	event_name	sql_mode
events_test	e_16407	STRICT_TRANS_TABLES,STRICT_ALL_TABLES,NO_ZERO_IN_DATE,NO_ZERO_DATE,ERROR_FOR_DIVISION_BY_ZERO,TRADITIONAL,NO_AUTO_CREATE_USER,NO_ENGINE_SUBSTITUTION
drop event e_16407;
set sql_mode="ansi";
select get_lock('ee_16407_2', 60);
get_lock('ee_16407_2', 60)
1
set global event_scheduler= 1;
"Another sql_mode test"
set sql_mode="traditional";
create table events_smode_test(ev_name char(10), a date);
"This should never insert something"
create event ee_16407_2 on schedule every 60 second do
begin
select get_lock('ee_16407_2', 60); /*ee_16407_2*/
select release_lock('ee_16407_2');
insert into events_test.events_smode_test values('ee_16407_2','1980-19-02');
end|
insert into events_test.events_smode_test values ('test','1980-19-02')|
ERROR 22007: Incorrect date value: '1980-19-02' for column `events_test`.`events_smode_test`.`a` at row 1
"This is ok"
create event ee_16407_3 on schedule every 60 second do
begin
select get_lock('ee_16407_2', 60); /*ee_16407_3*/
select release_lock('ee_16407_2');
insert into events_test.events_smode_test values ('ee_16407_3','1980-02-19');
insert into events_test.events_smode_test values ('ee_16407_3','1980-02-29');
end|
set sql_mode=""|
"This will insert rows but they will be truncated"
create event ee_16407_4 on schedule every 60 second do
begin
select get_lock('ee_16407_2', 60); /*ee_16407_4*/
select release_lock('ee_16407_2');
insert into events_test.events_smode_test values ('ee_16407_4','10-11-1956');
end|
select event_schema, event_name, sql_mode from information_schema.events order by event_schema, event_name;
event_schema	event_name	sql_mode
events_test	ee_16407_2	STRICT_TRANS_TABLES,STRICT_ALL_TABLES,NO_ZERO_IN_DATE,NO_ZERO_DATE,ERROR_FOR_DIVISION_BY_ZERO,TRADITIONAL,NO_AUTO_CREATE_USER,NO_ENGINE_SUBSTITUTION
events_test	ee_16407_3	STRICT_TRANS_TABLES,STRICT_ALL_TABLES,NO_ZERO_IN_DATE,NO_ZERO_DATE,ERROR_FOR_DIVISION_BY_ZERO,TRADITIONAL,NO_AUTO_CREATE_USER,NO_ENGINE_SUBSTITUTION
events_test	ee_16407_4	
select /*2*/ user, host, db, info from information_schema.processlist
where state = 'User lock' and info = 'select get_lock(\'ee_16407_2\', 60)';
user	host	db	info
root	localhost	events_test	select get_lock('ee_16407_2', 60)
root	localhost	events_test	select get_lock('ee_16407_2', 60)
root	localhost	events_test	select get_lock('ee_16407_2', 60)
select release_lock('ee_16407_2');
release_lock('ee_16407_2')
1
select /*3*/ user, host, db, info from information_schema.processlist
where state = 'User lock' and info = 'select get_lock(\'ee_16407_2\', 60)';
user	host	db	info
set global event_scheduler= off;
select * from events_test.events_smode_test order by ev_name, a;
ev_name	a
ee_16407_3	1980-02-19
ee_16407_3	1980-02-29
ee_16407_4	0000-00-00
"OK, last check before we drop them"
select event_schema, event_name, sql_mode from information_schema.events order by event_schema, event_name;
event_schema	event_name	sql_mode
events_test	ee_16407_2	STRICT_TRANS_TABLES,STRICT_ALL_TABLES,NO_ZERO_IN_DATE,NO_ZERO_DATE,ERROR_FOR_DIVISION_BY_ZERO,TRADITIONAL,NO_AUTO_CREATE_USER,NO_ENGINE_SUBSTITUTION
events_test	ee_16407_3	STRICT_TRANS_TABLES,STRICT_ALL_TABLES,NO_ZERO_IN_DATE,NO_ZERO_DATE,ERROR_FOR_DIVISION_BY_ZERO,TRADITIONAL,NO_AUTO_CREATE_USER,NO_ENGINE_SUBSTITUTION
events_test	ee_16407_4	
drop event ee_16407_2;
drop event ee_16407_3;
drop event ee_16407_4;
"And now one last test regarding sql_mode and call of SP from an event"
delete from events_test.events_smode_test;
set sql_mode='ansi';
select get_lock('ee_16407_5', 60);
get_lock('ee_16407_5', 60)
1
set global event_scheduler= on;
set sql_mode='traditional';
create procedure ee_16407_5_pendant() begin insert into events_test.events_smode_test values('ee_16407_5','2001-02-29'); end|
create procedure ee_16407_6_pendant() begin insert into events_test.events_smode_test values('ee_16407_6','2004-02-29'); end|
create event ee_16407_5 on schedule every 60 second do
begin
select get_lock('ee_16407_5', 60); /*ee_16407_5*/
select release_lock('ee_16407_5');
call events_test.ee_16407_5_pendant();
end|
create event ee_16407_6 on schedule every 60 second do
begin
select get_lock('ee_16407_5', 60); /*ee_16407_6*/
select release_lock('ee_16407_5');
call events_test.ee_16407_6_pendant();
end|
"Should have 2 locked processes"
select /*4*/ user, host, db, info from information_schema.processlist
where state = 'User lock' and info = 'select get_lock(\'ee_16407_5\', 60)';
user	host	db	info
root	localhost	events_test	select get_lock('ee_16407_5', 60)
root	localhost	events_test	select get_lock('ee_16407_5', 60)
select release_lock('ee_16407_5');
release_lock('ee_16407_5')
1
"Should have 0 processes locked"
select /*5*/ user, host, db, info from information_schema.processlist
where state = 'User lock' and info = 'select get_lock(\'ee_16407_5\', 60)';
user	host	db	info
select * from events_test.events_smode_test order by ev_name, a;
ev_name	a
ee_16407_6	2004-02-29
"And here we check one more time before we drop the events"
select event_schema, event_name, sql_mode from information_schema.events order by event_schema, event_name;
event_schema	event_name	sql_mode
events_test	ee_16407_5	STRICT_TRANS_TABLES,STRICT_ALL_TABLES,NO_ZERO_IN_DATE,NO_ZERO_DATE,ERROR_FOR_DIVISION_BY_ZERO,TRADITIONAL,NO_AUTO_CREATE_USER,NO_ENGINE_SUBSTITUTION
events_test	ee_16407_6	STRICT_TRANS_TABLES,STRICT_ALL_TABLES,NO_ZERO_IN_DATE,NO_ZERO_DATE,ERROR_FOR_DIVISION_BY_ZERO,TRADITIONAL,NO_AUTO_CREATE_USER,NO_ENGINE_SUBSTITUTION
drop event ee_16407_5;
drop event ee_16407_6;
drop procedure ee_16407_5_pendant;
drop procedure ee_16407_6_pendant;
set global event_scheduler= off;
drop table events_smode_test;
set sql_mode=@old_sql_mode;
set global event_scheduler=off;
delete from mysql.user where User like 'mysqltest_%';
delete from mysql.db where User like 'mysqltest_%';
flush privileges;
drop database if exists mysqltest_db1;
create user mysqltest_user1@localhost;
create database mysqltest_db1;
grant event on events_test.* to mysqltest_user1@localhost;
connect  conn2,localhost,mysqltest_user1,,events_test;
create event mysqltest_user1 on schedule every 10 second do select 42;
Warnings:
Warning	1105	Event scheduler is switched off, use SET GLOBAL event_scheduler=ON to enable it.
alter event mysqltest_user1 rename to mysqltest_db1.mysqltest_user1;
ERROR 42000: Access denied for user 'mysqltest_user1'@'localhost' to database 'mysqltest_db1'
"Let's test now rename when there is no select DB"
disconnect conn2;
connect  conn2,localhost,mysqltest_user1,,*NO-ONE*;
select database();
database()
NULL
alter event events_test.mysqltest_user1 rename to mysqltest_user1;
ERROR 3D000: No database selected
select event_schema, event_name, definer, event_type, status from information_schema.events;
event_schema	event_name	definer	event_type	status
events_test	mysqltest_user1	mysqltest_user1@localhost	RECURRING	ENABLED
drop event events_test.mysqltest_user1;
disconnect conn2;
connection default;
drop user mysqltest_user1@localhost;
drop database mysqltest_db1;
create event e_53 on schedule at (select s1 from ttx) do drop table t;
ERROR 42000: CREATE/ALTER EVENT does not support subqueries or stored functions
create event e_53 on schedule every (select s1 from ttx) second do drop table t;
ERROR 42000: CREATE/ALTER EVENT does not support subqueries or stored functions
create event e_53 on schedule every 5 second starts (select s1 from ttx) do drop table t;
ERROR 42000: CREATE/ALTER EVENT does not support subqueries or stored functions
create event e_53 on schedule every 5 second ends (select s1 from ttx) do drop table t;
ERROR 42000: CREATE/ALTER EVENT does not support subqueries or stored functions
drop event if exists e_16;
drop procedure if exists p_16;
create event e_16 on schedule every 1 second do set @a=5;
Warnings:
Warning	1105	Event scheduler is switched off, use SET GLOBAL event_scheduler=ON to enable it.
create procedure p_16 () alter event e_16 on schedule every @a second;
set @a = null;
call p_16();
ERROR HY000: Incorrect INTERVAL value: 'NULL'
call p_16();
ERROR HY000: Incorrect INTERVAL value: 'NULL'
set @a= 6;
call p_16();
drop procedure p_16;
drop event e_16;
drop function if exists f22830;
drop event if exists e22830;
drop event if exists e22830_1;
drop event if exists e22830_2;
drop event if exists e22830_3;
drop event if exists e22830_4;
drop table if exists t1;
drop table if exists t2;
create table t1 (a int);
insert into t1 values (2);
create table t2 (a char(20));
insert into t2 values ("e22830_1");
create function f22830 () returns int return 5;
select get_lock('ee_22830', 60);
get_lock('ee_22830', 60)
1
set global event_scheduler=on;
create procedure p22830_wait()
begin
select get_lock('ee_22830', 60);
select release_lock('ee_22830');
end|
create event e22830 on schedule every f22830() second do
begin
call p22830_wait();
select 123;
end|
ERROR 42000: CREATE/ALTER EVENT does not support subqueries or stored functions
create event e22830_1 on schedule every 1 hour do
begin
call p22830_wait();
alter event e22830_1 on schedule every (select 8 from dual) hour;
end|
create event e22830_2 on schedule every 1 hour do
begin
call p22830_wait();
alter event e22830_2 on schedule every (select 8 from t1) hour;
end|
create event e22830_3 on schedule every 1 hour do
begin
call p22830_wait();
alter event e22830_3 on schedule every f22830() hour;
end|
create event e22830_4 on schedule every 1 hour do
begin
call p22830_wait();
alter event e22830_4 on schedule every (select f22830() from dual) hour;
end|
"All events should be blocked in get_lock()"
select event_name, event_definition, interval_value, interval_field from information_schema.events order by event_name;
event_name	event_definition	interval_value	interval_field
e22830_1	begin
call p22830_wait();
alter event e22830_1 on schedule every (select 8 from dual) hour;
end	1	HOUR
e22830_2	begin
call p22830_wait();
alter event e22830_2 on schedule every (select 8 from t1) hour;
end	1	HOUR
e22830_3	begin
call p22830_wait();
alter event e22830_3 on schedule every f22830() hour;
end	1	HOUR
e22830_4	begin
call p22830_wait();
alter event e22830_4 on schedule every (select f22830() from dual) hour;
end	1	HOUR
select release_lock('ee_22830');
release_lock('ee_22830')
1
set global event_scheduler=off;
select event_name, event_definition, interval_value, interval_field from information_schema.events order by event_name;
event_name	event_definition	interval_value	interval_field
e22830_1	begin
call p22830_wait();
alter event e22830_1 on schedule every (select 8 from dual) hour;
end	8	HOUR
e22830_2	begin
call p22830_wait();
alter event e22830_2 on schedule every (select 8 from t1) hour;
end	1	HOUR
e22830_3	begin
call p22830_wait();
alter event e22830_3 on schedule every f22830() hour;
end	1	HOUR
e22830_4	begin
call p22830_wait();
alter event e22830_4 on schedule every (select f22830() from dual) hour;
end	1	HOUR
drop procedure p22830_wait;
drop function f22830;
drop event (select a from t2);
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near '(select a from t2)' at line 1
drop event e22830_1;
drop event e22830_2;
drop event e22830_3;
drop event e22830_4;
drop table t1;
drop table t2;
DROP USER mysqltest_u1@localhost;
CREATE USER mysqltest_u1@localhost;
GRANT EVENT ON events_test.* TO mysqltest_u1@localhost;
CREATE EVENT e1 ON SCHEDULE EVERY 1 DAY DO SELECT 1;
Warnings:
Warning	1105	Event scheduler is switched off, use SET GLOBAL event_scheduler=ON to enable it.
SELECT event_name, definer FROM INFORMATION_SCHEMA.EVENTS;
event_name	definer
e1	root@localhost
DROP EVENT e1;
CREATE DEFINER=CURRENT_USER EVENT e1 ON SCHEDULE EVERY 1 DAY DO SELECT 1;
Warnings:
Warning	1105	Event scheduler is switched off, use SET GLOBAL event_scheduler=ON to enable it.
SELECT event_name, definer FROM INFORMATION_SCHEMA.EVENTS;
event_name	definer
e1	root@localhost
ALTER DEFINER=mysqltest_u1@localhost EVENT e1 ON SCHEDULE EVERY 1 HOUR;
SELECT event_name, definer FROM INFORMATION_SCHEMA.EVENTS;
event_name	definer
e1	mysqltest_u1@localhost
DROP EVENT e1;
CREATE DEFINER=CURRENT_USER() EVENT e1 ON SCHEDULE EVERY 1 DAY DO SELECT 1;
Warnings:
Warning	1105	Event scheduler is switched off, use SET GLOBAL event_scheduler=ON to enable it.
SELECT event_name, definer FROM INFORMATION_SCHEMA.EVENTS;
event_name	definer
e1	root@localhost
DROP EVENT e1;
CREATE DEFINER=mysqltest_u1@localhost EVENT e1 ON SCHEDULE EVERY 1 DAY DO
SELECT 1;
Warnings:
Warning	1105	Event scheduler is switched off, use SET GLOBAL event_scheduler=ON to enable it.
SELECT event_name, definer FROM INFORMATION_SCHEMA.EVENTS;
event_name	definer
e1	mysqltest_u1@localhost
DROP EVENT e1;
connect  conn1, localhost, mysqltest_u1, , events_test;
CREATE EVENT e1 ON SCHEDULE EVERY 1 DAY DO SELECT 1;
Warnings:
Warning	1105	Event scheduler is switched off, use SET GLOBAL event_scheduler=ON to enable it.
SELECT event_name, definer FROM INFORMATION_SCHEMA.EVENTS;
event_name	definer
e1	mysqltest_u1@localhost
DROP EVENT e1;
CREATE DEFINER=CURRENT_USER EVENT e1 ON SCHEDULE EVERY 1 DAY DO SELECT 1;
Warnings:
Warning	1105	Event scheduler is switched off, use SET GLOBAL event_scheduler=ON to enable it.
SELECT event_name, definer FROM INFORMATION_SCHEMA.EVENTS;
event_name	definer
e1	mysqltest_u1@localhost
ALTER DEFINER=root@localhost EVENT e1 ON SCHEDULE EVERY 1 HOUR;
ERROR 42000: Access denied; you need (at least one of) the SUPER, SET USER privilege(s) for this operation
SELECT event_name, definer FROM INFORMATION_SCHEMA.EVENTS;
event_name	definer
e1	mysqltest_u1@localhost
DROP EVENT e1;
CREATE DEFINER=CURRENT_USER() EVENT e1 ON SCHEDULE EVERY 1 DAY DO SELECT 1;
Warnings:
Warning	1105	Event scheduler is switched off, use SET GLOBAL event_scheduler=ON to enable it.
SELECT event_name, definer FROM INFORMATION_SCHEMA.EVENTS;
event_name	definer
e1	mysqltest_u1@localhost
DROP EVENT e1;
CREATE DEFINER=root@localhost EVENT e1 ON SCHEDULE EVERY 1 DAY DO SELECT 1;
ERROR 42000: Access denied; you need (at least one of) the SUPER, SET USER privilege(s) for this operation
DROP EVENT e1;
ERROR HY000: Unknown event 'e1'
disconnect conn1;
connection default;
DROP USER mysqltest_u1@localhost;
SET GLOBAL EVENT_SCHEDULER= OFF;
SET @save_time_zone= @@TIME_ZONE;
SET TIME_ZONE= '+00:00';
SET TIMESTAMP= UNIX_TIMESTAMP('2005-12-31 23:58:59');
CREATE EVENT e1 ON SCHEDULE EVERY 1 DAY DO SELECT 1;
Warnings:
Warning	1105	Event scheduler is switched off, use SET GLOBAL event_scheduler=ON to enable it.
SHOW EVENTS;
Db	Name	Definer	Time zone	Type	Execute at	Interval value	Interval field	Starts	Ends	Status	Originator	character_set_client	collation_connection	Database Collation
events_test	e1	root@localhost	+00:00	RECURRING	NULL	1	DAY	2005-12-31 23:58:59	NULL	ENABLED	1	latin1	latin1_swedish_ci	latin1_swedish_ci
SET TIME_ZONE= '-01:00';
ALTER EVENT e1 ON SCHEDULE EVERY 1 DAY STARTS '2000-01-01 00:00:00';
SHOW EVENTS;
Db	Name	Definer	Time zone	Type	Execute at	Interval value	Interval field	Starts	Ends	Status	Originator	character_set_client	collation_connection	Database Collation
events_test	e1	root@localhost	-01:00	RECURRING	NULL	1	DAY	2000-01-01 00:00:00	NULL	ENABLED	1	latin1	latin1_swedish_ci	latin1_swedish_ci
SET TIME_ZONE= '+02:00';
ALTER EVENT e1 ON SCHEDULE AT '2000-01-02 00:00:00'
  ON COMPLETION PRESERVE DISABLE;
SHOW EVENTS;
Db	Name	Definer	Time zone	Type	Execute at	Interval value	Interval field	Starts	Ends	Status	Originator	character_set_client	collation_connection	Database Collation
events_test	e1	root@localhost	+02:00	ONE TIME	2000-01-02 00:00:00	NULL	NULL	NULL	NULL	DISABLED	1	latin1	latin1_swedish_ci	latin1_swedish_ci
SET TIME_ZONE= '-03:00';
ALTER EVENT e1 ON SCHEDULE EVERY 1 DAY ENDS '2030-01-03 00:00:00'
  ON COMPLETION PRESERVE DISABLE;
SHOW EVENTS;
Db	Name	Definer	Time zone	Type	Execute at	Interval value	Interval field	Starts	Ends	Status	Originator	character_set_client	collation_connection	Database Collation
events_test	e1	root@localhost	-03:00	RECURRING	NULL	1	DAY	2005-12-31 20:58:59	2030-01-03 00:00:00	DISABLED	1	latin1	latin1_swedish_ci	latin1_swedish_ci
SET TIME_ZONE= '+04:00';
ALTER EVENT e1 DO SELECT 2;
SHOW EVENTS;
Db	Name	Definer	Time zone	Type	Execute at	Interval value	Interval field	Starts	Ends	Status	Originator	character_set_client	collation_connection	Database Collation
events_test	e1	root@localhost	-03:00	RECURRING	NULL	1	DAY	2005-12-31 20:58:59	2030-01-03 00:00:00	DISABLED	1	latin1	latin1_swedish_ci	latin1_swedish_ci
DROP EVENT e1;
SET TIME_ZONE='+05:00';
CREATE EVENT e1 ON SCHEDULE EVERY 1 DAY STARTS '2006-01-01 00:00:00' DO
SELECT 1;
Warnings:
Warning	1105	Event scheduler is switched off, use SET GLOBAL event_scheduler=ON to enable it.
SET TIMESTAMP= @@TIMESTAMP + 1;
SET TIME_ZONE='-05:00';
CREATE EVENT e2 ON SCHEDULE EVERY 1 DAY STARTS '2006-01-01 00:00:00' DO
SELECT 1;
Warnings:
Warning	1105	Event scheduler is switched off, use SET GLOBAL event_scheduler=ON to enable it.
SET TIMESTAMP= @@TIMESTAMP + 1;
SET TIME_ZONE='+00:00';
CREATE EVENT e3 ON SCHEDULE EVERY 1 DAY STARTS '2006-01-01 00:00:00' DO
SELECT 1;
Warnings:
Warning	1105	Event scheduler is switched off, use SET GLOBAL event_scheduler=ON to enable it.
SELECT * FROM INFORMATION_SCHEMA.EVENTS ORDER BY event_name;
EVENT_CATALOG	EVENT_SCHEMA	EVENT_NAME	DEFINER	TIME_ZONE	EVENT_BODY	EVENT_DEFINITION	EVENT_TYPE	EXECUTE_AT	INTERVAL_VALUE	INTERVAL_FIELD	SQL_MODE	STARTS	ENDS	STATUS	ON_COMPLETION	CREATED	LAST_ALTERED	LAST_EXECUTED	EVENT_COMMENT	ORIGINATOR	CHARACTER_SET_CLIENT	COLLATION_CONNECTION	DATABASE_COLLATION
def	events_test	e1	root@localhost	+05:00	SQL	SELECT 1	RECURRING	NULL	1	DAY		2006-01-01 00:00:00	NULL	ENABLED	NOT PRESERVE	2005-12-31 23:58:59	2005-12-31 23:58:59	NULL		1	latin1	latin1_swedish_ci	latin1_swedish_ci
def	events_test	e2	root@localhost	-05:00	SQL	SELECT 1	RECURRING	NULL	1	DAY		2006-01-01 00:00:00	NULL	ENABLED	NOT PRESERVE	2005-12-31 23:59:00	2005-12-31 23:59:00	NULL		1	latin1	latin1_swedish_ci	latin1_swedish_ci
def	events_test	e3	root@localhost	+00:00	SQL	SELECT 1	RECURRING	NULL	1	DAY		2006-01-01 00:00:00	NULL	ENABLED	NOT PRESERVE	2005-12-31 23:59:01	2005-12-31 23:59:01	NULL		1	latin1	latin1_swedish_ci	latin1_swedish_ci
SHOW EVENTS;
Db	Name	Definer	Time zone	Type	Execute at	Interval value	Interval field	Starts	Ends	Status	Originator	character_set_client	collation_connection	Database Collation
events_test	e1	root@localhost	+05:00	RECURRING	NULL	1	DAY	2006-01-01 00:00:00	NULL	ENABLED	1	latin1	latin1_swedish_ci	latin1_swedish_ci
events_test	e2	root@localhost	-05:00	RECURRING	NULL	1	DAY	2006-01-01 00:00:00	NULL	ENABLED	1	latin1	latin1_swedish_ci	latin1_swedish_ci
events_test	e3	root@localhost	+00:00	RECURRING	NULL	1	DAY	2006-01-01 00:00:00	NULL	ENABLED	1	latin1	latin1_swedish_ci	latin1_swedish_ci
SHOW CREATE EVENT e1;
Event	sql_mode	time_zone	Create Event	character_set_client	collation_connection	Database Collation
e1		+05:00	CREATE DEFINER=`root`@`localhost` EVENT `e1` ON SCHEDULE EVERY 1 DAY STARTS '2006-01-01 00:00:00' ON COMPLETION NOT PRESERVE ENABLE DO SELECT 1	latin1	latin1_swedish_ci	latin1_swedish_ci
SHOW CREATE EVENT e2;
Event	sql_mode	time_zone	Create Event	character_set_client	collation_connection	Database Collation
e2		-05:00	CREATE DEFINER=`root`@`localhost` EVENT `e2` ON SCHEDULE EVERY 1 DAY STARTS '2006-01-01 00:00:00' ON COMPLETION NOT PRESERVE ENABLE DO SELECT 1	latin1	latin1_swedish_ci	latin1_swedish_ci
SHOW CREATE EVENT e3;
Event	sql_mode	time_zone	Create Event	character_set_client	collation_connection	Database Collation
e3		+00:00	CREATE DEFINER=`root`@`localhost` EVENT `e3` ON SCHEDULE EVERY 1 DAY STARTS '2006-01-01 00:00:00' ON COMPLETION NOT PRESERVE ENABLE DO SELECT 1	latin1	latin1_swedish_ci	latin1_swedish_ci
The following should fail, and nothing should be altered.
ALTER EVENT e1 ON SCHEDULE EVERY 1 HOUR STARTS '1999-01-01 00:00:00'
  ENDS '1999-01-02 00:00:00';
ERROR HY000: Event execution time is in the past and ON COMPLETION NOT PRESERVE is set. The event was not changed. Specify a time in the future
ALTER EVENT e1 ON SCHEDULE EVERY 1 HOUR STARTS '1999-01-01 00:00:00'
  ENDS '1999-01-02 00:00:00' DISABLE;
ERROR HY000: Event execution time is in the past and ON COMPLETION NOT PRESERVE is set. The event was not changed. Specify a time in the future
The following should give warnings, and nothing should be created.
CREATE EVENT e4 ON SCHEDULE EVERY 1 HOUR STARTS '1999-01-01 00:00:00'
  ENDS '1999-01-02 00:00:00'
DO
SELECT 1;
Warnings:
Note	1588	Event execution time is in the past and ON COMPLETION NOT PRESERVE is set. The event was dropped immediately after creation
CREATE EVENT e4 ON SCHEDULE EVERY 1 HOUR STARTS '1999-01-01 00:00:00'
  ENDS '1999-01-02 00:00:00' DISABLE
DO
SELECT 1;
Warnings:
Note	1588	Event execution time is in the past and ON COMPLETION NOT PRESERVE is set. The event was dropped immediately after creation
CREATE EVENT e4 ON SCHEDULE AT '1999-01-01 00:00:00' DO
SELECT 1;
Warnings:
Note	1588	Event execution time is in the past and ON COMPLETION NOT PRESERVE is set. The event was dropped immediately after creation
CREATE EVENT e4 ON SCHEDULE AT '1999-01-01 00:00:00' DISABLE
DO
SELECT 1;
Warnings:
Note	1588	Event execution time is in the past and ON COMPLETION NOT PRESERVE is set. The event was dropped immediately after creation
SHOW EVENTS;
Db	Name	Definer	Time zone	Type	Execute at	Interval value	Interval field	Starts	Ends	Status	Originator	character_set_client	collation_connection	Database Collation
events_test	e1	root@localhost	+05:00	RECURRING	NULL	1	DAY	2006-01-01 00:00:00	NULL	ENABLED	1	latin1	latin1_swedish_ci	latin1_swedish_ci
events_test	e2	root@localhost	-05:00	RECURRING	NULL	1	DAY	2006-01-01 00:00:00	NULL	ENABLED	1	latin1	latin1_swedish_ci	latin1_swedish_ci
events_test	e3	root@localhost	+00:00	RECURRING	NULL	1	DAY	2006-01-01 00:00:00	NULL	ENABLED	1	latin1	latin1_swedish_ci	latin1_swedish_ci
The following should succeed giving a warning.
ALTER EVENT e1 ON SCHEDULE EVERY 1 HOUR STARTS '1999-01-01 00:00:00'
  ENDS '1999-01-02 00:00:00' ON COMPLETION PRESERVE;
Warnings:
Note	1544	Event execution time is in the past. Event has been disabled
CREATE EVENT e4 ON SCHEDULE EVERY 1 HOUR STARTS '1999-01-01 00:00:00'
  ENDS '1999-01-02 00:00:00' ON COMPLETION PRESERVE
DO
SELECT 1;
Warnings:
Note	1544	Event execution time is in the past. Event has been disabled
Warning	1105	Event scheduler is switched off, use SET GLOBAL event_scheduler=ON to enable it.
CREATE EVENT e5 ON SCHEDULE AT '1999-01-01 00:00:00'
  ON COMPLETION PRESERVE
DO
SELECT 1;
Warnings:
Note	1544	Event execution time is in the past. Event has been disabled
Warning	1105	Event scheduler is switched off, use SET GLOBAL event_scheduler=ON to enable it.
The following should succeed without warnings.
ALTER EVENT e2 ON SCHEDULE EVERY 1 HOUR STARTS '1999-01-01 00:00:00';
ALTER EVENT e3 ON SCHEDULE EVERY 1 HOUR STARTS '1999-01-01 00:00:00'
  ENDS '1999-01-02 00:00:00' ON COMPLETION PRESERVE DISABLE;
CREATE EVENT e6 ON SCHEDULE EVERY 1 HOUR STARTS '1999-01-01 00:00:00' DO
SELECT 1;
Warnings:
Warning	1105	Event scheduler is switched off, use SET GLOBAL event_scheduler=ON to enable it.
CREATE EVENT e7 ON SCHEDULE EVERY 1 HOUR STARTS '1999-01-01 00:00:00'
  ENDS '1999-01-02 00:00:00' ON COMPLETION PRESERVE DISABLE
DO
SELECT 1;
Warnings:
Warning	1105	Event scheduler is switched off, use SET GLOBAL event_scheduler=ON to enable it.
CREATE EVENT e8 ON SCHEDULE AT '1999-01-01 00:00:00'
  ON COMPLETION PRESERVE DISABLE
DO
SELECT 1;
Warnings:
Warning	1105	Event scheduler is switched off, use SET GLOBAL event_scheduler=ON to enable it.
SHOW EVENTS;
Db	Name	Definer	Time zone	Type	Execute at	Interval value	Interval field	Starts	Ends	Status	Originator	character_set_client	collation_connection	Database Collation
events_test	e1	root@localhost	+00:00	RECURRING	NULL	1	HOUR	1999-01-01 00:00:00	1999-01-02 00:00:00	DISABLED	1	latin1	latin1_swedish_ci	latin1_swedish_ci
events_test	e2	root@localhost	+00:00	RECURRING	NULL	1	HOUR	1999-01-01 00:00:00	NULL	ENABLED	1	latin1	latin1_swedish_ci	latin1_swedish_ci
events_test	e3	root@localhost	+00:00	RECURRING	NULL	1	HOUR	1999-01-01 00:00:00	1999-01-02 00:00:00	DISABLED	1	latin1	latin1_swedish_ci	latin1_swedish_ci
events_test	e4	root@localhost	+00:00	RECURRING	NULL	1	HOUR	1999-01-01 00:00:00	1999-01-02 00:00:00	DISABLED	1	latin1	latin1_swedish_ci	latin1_swedish_ci
events_test	e5	root@localhost	+00:00	ONE TIME	1999-01-01 00:00:00	NULL	NULL	NULL	NULL	DISABLED	1	latin1	latin1_swedish_ci	latin1_swedish_ci
events_test	e6	root@localhost	+00:00	RECURRING	NULL	1	HOUR	1999-01-01 00:00:00	NULL	ENABLED	1	latin1	latin1_swedish_ci	latin1_swedish_ci
events_test	e7	root@localhost	+00:00	RECURRING	NULL	1	HOUR	1999-01-01 00:00:00	1999-01-02 00:00:00	DISABLED	1	latin1	latin1_swedish_ci	latin1_swedish_ci
events_test	e8	root@localhost	+00:00	ONE TIME	1999-01-01 00:00:00	NULL	NULL	NULL	NULL	DISABLED	1	latin1	latin1_swedish_ci	latin1_swedish_ci
DROP EVENT e8;
DROP EVENT e7;
DROP EVENT e6;
DROP EVENT e5;
DROP EVENT e4;
DROP EVENT e3;
DROP EVENT e2;
DROP EVENT e1;
SET TIME_ZONE=@save_time_zone;
SET TIMESTAMP=DEFAULT;
drop event if exists new_event;
CREATE EVENT new_event ON SCHEDULE EVERY 0 SECOND DO SELECT 1;
ERROR HY000: INTERVAL is either not positive or too big
CREATE EVENT new_event ON SCHEDULE EVERY (SELECT 0) SECOND DO SELECT 1;
ERROR HY000: INTERVAL is either not positive or too big
CREATE EVENT new_event ON SCHEDULE EVERY "abcdef" SECOND DO SELECT 1;
ERROR HY000: INTERVAL is either not positive or too big
CREATE EVENT new_event ON SCHEDULE EVERY "0abcdef" SECOND DO SELECT 1;
ERROR HY000: INTERVAL is either not positive or too big
CREATE EVENT new_event ON SCHEDULE EVERY "a1bcdef" SECOND DO SELECT 1;
ERROR HY000: INTERVAL is either not positive or too big
CREATE EVENT new_event ON SCHEDULE EVERY (SELECT "abcdef" UNION SELECT "abcdef") SECOND DO SELECT 1;
ERROR HY000: INTERVAL is either not positive or too big
CREATE EVENT new_event ON SCHEDULE EVERY (SELECT "0abcdef") SECOND DO SELECT 1;
ERROR HY000: INTERVAL is either not positive or too big
CREATE EVENT new_event ON SCHEDULE EVERY (SELECT "a1bcdef") SECOND DO SELECT 1;
ERROR HY000: INTERVAL is either not positive or too big
CREATE EVENT new_event ON SCHEDULE AT "every day" DO SELECT 1;
ERROR HY000: Incorrect AT value: 'every day'
CREATE EVENT new_event ON SCHEDULE AT "0every day" DO SELECT 1;
ERROR HY000: Incorrect AT value: '0every day'
CREATE EVENT new_event ON SCHEDULE AT (SELECT "every day") DO SELECT 1;
ERROR HY000: Incorrect AT value: 'every day'
CREATE EVENT new_event ON SCHEDULE AT NOW() STARTS NOW() DO SELECT 1;
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'STARTS NOW() DO SELECT 1' at line 1
CREATE EVENT new_event ON SCHEDULE AT NOW() ENDS NOW() DO SELECT 1;
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'ENDS NOW() DO SELECT 1' at line 1
CREATE EVENT new_event ON SCHEDULE AT NOW() STARTS NOW() ENDS NOW() DO SELECT 1;
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'STARTS NOW() ENDS NOW() DO SELECT 1' at line 1
USE test;
SHOW GRANTS FOR CURRENT_USER;
Grants for root@localhost
GRANT ALL PRIVILEGES ON *.* TO `root`@`localhost` WITH GRANT OPTION
GRANT PROXY ON ''@'%' TO 'root'@'localhost' WITH GRANT OPTION
SET GLOBAL event_scheduler = ON;
CREATE TABLE events_test.event_log
(id int KEY AUTO_INCREMENT, ev_nm char(40), ev_cnt int, ev_tm timestamp)
ENGINE=MyISAM;
SET autocommit=0;
CREATE USER evtest1@localhost;
SET PASSWORD FOR evtest1@localhost = password('ev1');
REVOKE ALL PRIVILEGES, GRANT OPTION FROM evtest1@localhost;
GRANT create, insert, select, event ON events_test.* TO evtest1@localhost;
GRANT select,insert ON test.* TO evtest1@localhost;
SHOW GRANTS FOR evtest1@localhost;
Grants for evtest1@localhost
GRANT USAGE ON *.* TO `evtest1`@`localhost` IDENTIFIED BY PASSWORD '*3170F3644E31580C25DE4A08F4C07CC9A2D40C32'
GRANT SELECT, INSERT ON `test`.* TO `evtest1`@`localhost`
GRANT SELECT, INSERT, CREATE, EVENT ON `events_test`.* TO `evtest1`@`localhost`
connect  e1,localhost,evtest1,ev1,events_test,$MASTER_MYPORT,$MASTER_MYSOCK;
CREATE EVENT ev_sched_1823 ON SCHEDULE EVERY 2 SECOND
DO BEGIN
SET AUTOCOMMIT = 0;
SET @evname = 'ev_sched_1823';
SET @cnt = 0;
SELECT COUNT(*) INTO @cnt FROM events_test.event_log WHERE ev_nm = @evname;
IF @cnt < 6 THEN
INSERT INTO events_test.event_log VALUES (NULL,@evname,@cnt+1,current_timestamp());
COMMIT;
END IF;
SELECT COUNT(*) INTO @cnt FROM events_test.event_log WHERE ev_nm = @evname;
IF @cnt < 6 THEN
INSERT INTO events_test.event_log VALUES (NULL,@evname,@cnt+1,current_timestamp());
ROLLBACK;
END IF;
END;|
Sleep till the first INSERT into events_test.event_log occurred
SELECT COUNT(*) > 0 AS "Expect 1" FROM events_test.event_log;
Expect 1
1
connection default;
DROP USER evtest1@localhost;
Sleep 4 seconds
SELECT COUNT(*) INTO @row_cnt FROM events_test.event_log;
Sleep 4 seconds
SELECT COUNT(*) > @row_cnt AS "Expect 0" FROM events_test.event_log;
Expect 0
0
disconnect e1;
DROP EVENT events_test.ev_sched_1823;
DROP TABLE events_test.event_log;
SET GLOBAL event_scheduler = OFF;
SET GLOBAL event_scheduler= ON;
CREATE EVENT bug28641 ON SCHEDULE AT '2038.01.18 03:00:00'
DO BEGIN
SELECT 1;
END;|
SET GLOBAL event_scheduler= OFF;
DROP EVENT bug28641;

#####################################################################
#
# BUG#31111: --read-only crashes MySQL (events fail to load).
#
#####################################################################

DROP USER mysqltest_u1@localhost;
DROP EVENT IF EXISTS e1;
DROP EVENT IF EXISTS e2;

GRANT EVENT ON *.* TO mysqltest_u1@localhost;

SET GLOBAL READ_ONLY = 1;

connect u1_con,localhost,mysqltest_u1,,events_test;

CREATE EVENT e1 ON SCHEDULE AT '2038-01-01 00:00:00' DO SET @a = 1;
ERROR HY000: The MariaDB server is running with the --read-only option so it cannot execute this statement

ALTER EVENT e1 COMMENT 'comment';
ERROR HY000: The MariaDB server is running with the --read-only option so it cannot execute this statement

DROP EVENT e1;
ERROR HY000: The MariaDB server is running with the --read-only option so it cannot execute this statement

connect root_con,localhost,root,,events_test;

CREATE EVENT e1 ON SCHEDULE AT '2038-01-01 00:00:00' DO SET @a = 1;
Warnings:
Warning	1105	Event scheduler is switched off, use SET GLOBAL event_scheduler=ON to enable it.

ALTER EVENT e1 COMMENT 'comment';

DROP EVENT e1;

SET GLOBAL READ_ONLY = 0;

connection u1_con;

CREATE EVENT e1 ON SCHEDULE AT CURRENT_TIMESTAMP + INTERVAL 1 SECOND DO SET @a = 1;
Warnings:
Warning	1105	Event scheduler is switched off, use SET GLOBAL event_scheduler=ON to enable it.
CREATE EVENT e2 ON SCHEDULE EVERY 1 SECOND DO SET @a = 1;
Warnings:
Warning	1105	Event scheduler is switched off, use SET GLOBAL event_scheduler=ON to enable it.

SELECT
event_name,
last_executed IS NULL,
definer
FROM INFORMATION_SCHEMA.EVENTS
WHERE event_schema = 'events_test';
event_name	last_executed IS NULL	definer
e1	1	mysqltest_u1@localhost
e2	1	mysqltest_u1@localhost

connection root_con;

SET GLOBAL READ_ONLY = 1;

SET GLOBAL EVENT_SCHEDULER = ON;

# Waiting for the event scheduler to execute and drop event e1...

# Waiting for the event scheduler to execute and update event e2...

SET GLOBAL EVENT_SCHEDULER = OFF;

SELECT
event_name,
last_executed IS NULL,
definer
FROM INFORMATION_SCHEMA.EVENTS
WHERE event_schema = 'events_test';
event_name	last_executed IS NULL	definer
e2	0	mysqltest_u1@localhost

DROP EVENT e1;
ERROR HY000: Unknown event 'e1'

# Cleanup.

DROP EVENT e2;

SET GLOBAL READ_ONLY = 0;

disconnect u1_con;
disconnect root_con;
connection default;

DROP USER mysqltest_u1@localhost;

#####################################################################
#
# End of BUG#31111.
#
#####################################################################

drop procedure if exists p;
set @old_mode= @@sql_mode;
set @@sql_mode= cast(pow(2,32)-1 as unsigned integer);
create event e1 on schedule every 1 day do select 1;
Warnings:
Warning	1105	Event scheduler is switched off, use SET GLOBAL event_scheduler=ON to enable it.
select @@sql_mode into @full_mode;
set @@sql_mode= @old_mode;
select replace(@full_mode, 'ALLOW_INVALID_DATES', 'INVALID_DATES') into @full_mode;
select name from mysql.event where name = 'e1' and sql_mode = @full_mode;
name
e1
drop event e1;
SET @old_server_id = @@GLOBAL.server_id;
SET GLOBAL server_id = (1 << 32) - 1;
SELECT @@GLOBAL.server_id;
@@GLOBAL.server_id
4294967295
CREATE EVENT ev1 ON SCHEDULE EVERY 1 DAY DO SELECT 1;
Warnings:
Warning	1105	Event scheduler is switched off, use SET GLOBAL event_scheduler=ON to enable it.
SELECT event_name, originator FROM INFORMATION_SCHEMA.EVENTS;
event_name	originator
ev1	4294967295
DROP EVENT ev1;
SET GLOBAL server_id = @old_server_id;
CREATE DATABASE event_test12;
USE event_test12;
CREATE EVENT ev1 ON SCHEDULE EVERY 1 DAY DO SELECT 1;
Warnings:
Warning	1105	Event scheduler is switched off, use SET GLOBAL event_scheduler=ON to enable it.
CREATE DATABASE event_test1;
USE event_test1;
SHOW EVENTS;
Db	Name	Definer	Time zone	Type	Execute at	Interval value	Interval field	Starts	Ends	Status	Originator	character_set_client	collation_connection	Database Collation
DROP DATABASE event_test1;
DROP DATABASE event_test12;
#
# Bug#12546938 (formerly known as bug#61005):
# CREATE IF NOT EXIST EVENT WILL CREATE MULTIPLE RUNNING EVENTS
#
USE events_test;
SET GLOBAL event_scheduler = ON;
DROP TABLE IF EXISTS table_bug12546938;
DROP EVENT IF EXISTS event_Bug12546938;
CREATE TABLE table_bug12546938 (i INT);
# Create an event which will be executed with a small delay
# and won't be automatically dropped after that.
CREATE EVENT event_Bug12546938
ON SCHEDULE AT CURRENT_TIMESTAMP + INTERVAL 1 SECOND ON COMPLETION PRESERVE
ENABLE DO
BEGIN 
INSERT INTO table_bug12546938 VALUES(1);
END
|
# Now try to create the same event using CREATE EVENT IF NOT EXISTS.
# A warning should be emitted. A new event should not be created nor
# the old event should be re-executed.
CREATE EVENT IF NOT EXISTS event_bug12546938
ON SCHEDULE AT CURRENT_TIMESTAMP + INTERVAL 1 SECOND ON COMPLETION PRESERVE
ENABLE DO
BEGIN
INSERT INTO table_bug12546938 VALUES (1);
END
|
Warnings:
Note	1537	Event 'event_bug12546938' already exists
# Wait until at least one instance of event is executed.
# Check that only one instance of our event was executed.
SELECT COUNT(*) FROM table_bug12546938;
COUNT(*)
1
# Clean-up.
DROP EVENT IF EXISTS event_Bug12546938;
DROP TABLE table_bug12546938;
SET GLOBAL EVENT_SCHEDULER = OFF;
DROP DATABASE IF EXISTS event_test11764334;
CREATE DATABASE event_test11764334;
USE event_test11764334;
CREATE EVENT ev1 ON SCHEDULE EVERY 3 SECOND DISABLE DO SELECT 1;
Warnings:
Warning	1105	Event scheduler is switched off, use SET GLOBAL event_scheduler=ON to enable it.
SHOW EVENTS IN event_test11764334 WHERE NAME='ev1';
Db	Name	Definer	Time zone	Type	Execute at	Interval value	Interval field	Starts	Ends	Status	Originator	character_set_client	collation_connection	Database Collation
event_test11764334	ev1	root@localhost	SYSTEM	RECURRING	NULL	3	SECOND	#	#	DISABLED	1	latin1	latin1_swedish_ci	latin1_swedish_ci
ALTER EVENT ev1 ON SCHEDULE EVERY 4 SECOND;
SHOW EVENTS IN event_test11764334 WHERE NAME='ev1';
Db	Name	Definer	Time zone	Type	Execute at	Interval value	Interval field	Starts	Ends	Status	Originator	character_set_client	collation_connection	Database Collation
event_test11764334	ev1	root@localhost	SYSTEM	RECURRING	NULL	4	SECOND	#	#	DISABLED	1	latin1	latin1_swedish_ci	latin1_swedish_ci
DROP EVENT ev1;
DROP DATABASE event_test11764334;
USE test;
DROP DATABASE events_test;
SET GLOBAL event_scheduler= 'ON';
SET @@global.concurrent_insert= @concurrent_insert;