1
# Can't test with embedded server that doesn't support grants
2
-- source include/not_embedded.inc
5
# Test that when the server is restarted, it checks mysql.event table,
6
# and disables the scheduler if it's not up to date.
9
# Switch off the scheduler for now.
10
set global event_scheduler=off;
13
drop database if exists events_test;
15
create database events_test;
17
create table execution_log(name char(10));
19
create event abc1 on schedule every 1 second do
20
insert into execution_log value('abc1');
21
create event abc2 on schedule every 1 second do
22
insert into execution_log value('abc2');
23
create event abc3 on schedule every 1 second do
24
insert into execution_log value('abc3');
26
# There are various conditions when a server would regard mysql.event
28
# - the table has more column than specified in the compiled in value, but
29
# the version of the server which created the table is the same
30
# - the column count in the table is less than the compiled in value
31
# - some column has an incompatible type specification (for what is an
32
# incompatible type specification please refer to the comments in the source
34
# Unfortunately, in order to test a condition, we need to restart the
35
# server. Therefore, here we test only one simple case: changing the data
36
# type of the 'body' field to blob.
38
# First, let's do a backup to not depend on actual definition of mysql.event
39
create table event_like like mysql.event;
40
insert into event_like select * from mysql.event;
41
# Now let's alter the table and restart the server
42
alter table mysql.event
43
change column body body longtext character set utf8 collate utf8_bin;
44
--echo "Now we restart the server"
46
--source include/restart_mysqld.inc
49
# Event scheduler should be disabled: the system tables are damaged
50
select @@event_scheduler;
51
# Try various Event Scheduler operation and check the output.
52
--error ER_EVENTS_DB_ERROR
54
--error ER_EVENTS_DB_ERROR
55
select event_name from information_schema.events;
56
--error ER_EVENTS_DB_ERROR
57
show create event intact_check;
58
--error ER_EVENTS_DB_ERROR
59
drop event no_such_event;
60
--error ER_EVENTS_DB_ERROR
61
create event intact_check_1 on schedule every 5 hour do select 5;
62
--error ER_EVENTS_DB_ERROR
63
alter event intact_check_1 on schedule every 8 hour do select 8;
64
--error ER_EVENTS_DB_ERROR
65
alter event intact_check_1 rename to intact_check_2;
66
--error ER_EVENTS_DB_ERROR
67
drop event intact_check_1;
68
--error ER_EVENTS_DB_ERROR
69
drop event intact_check_2;
70
--error ER_EVENTS_DB_ERROR
71
drop event intact_check;
72
--error ER_EVENTS_DB_ERROR
73
set global event_scheduler=on;
74
--error ER_EVENTS_DB_ERROR
75
set global event_scheduler=off;
76
show variables like 'event_scheduler';
77
--echo Make sure that we still can create and drop databases,
78
--echo and no warnings are produced.
79
drop database if exists mysqltest_database_not_exists;
80
create database mysqltest_db1;
81
drop database mysqltest_db1;
82
--echo Restore the original mysql.event table
83
drop table mysql.event;
84
rename table event_like to mysql.event;
85
--echo Now let's restart the server again
87
--source include/restart_mysqld.inc
89
# We need this file primarily to make sure that the scheduler is restarted
90
# and enabled after we have restored mysql.event table.
91
# This is the final step of the "cleanup".
93
# Make sure also that events are executed OK after restart, just in case.
95
# Make sure the scheduler was started successfully
96
select @@event_scheduler;
97
let $wait_condition=select count(distinct name)=3 from execution_log;
98
--source include/wait_condition.inc
99
drop table execution_log;
100
# Will drop all events
101
drop database events_test;
104
select count(*) = 0 from information_schema.processlist
105
where db='events_test' and command = 'Connect' and user=current_user();
106
--source include/wait_condition.inc