/usr/lib/mysql-testsuite/t/events_restart.test is in mysql-testsuite-5.6 5.6.16-1~exp1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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-- source include/not_embedded.inc
call mtr.add_suppression("Column count of mysql.event is wrong. Expected .*, found .*\. The table is probably corrupted");
#
# Test that when the server is restarted, it checks mysql.event table,
# and disables the scheduler if it's not up to date.
#
# Switch off the scheduler for now.
set global event_scheduler=off;
--disable_warnings
drop database if exists events_test;
--enable_warnings
create database events_test;
use events_test;
create table execution_log(name char(10));
create event abc1 on schedule every 1 second do
insert into execution_log value('abc1');
create event abc2 on schedule every 1 second do
insert into execution_log value('abc2');
create event abc3 on schedule every 1 second do
insert into execution_log value('abc3');
#
# There are various conditions when a server would regard mysql.event
# table as damaged:
# - the table has more column than specified in the compiled in value, but
# the version of the server which created the table is the same
# - the column count in the table is less than the compiled in value
# - some column has an incompatible type specification (for what is an
# incompatible type specification please refer to the comments in the source
#
# Unfortunately, in order to test a condition, we need to restart the
# server. Therefore, here we test only one simple case: changing the data
# type of the 'body' field to blob.
#
# First, let's do a backup to not depend on actual definition of mysql.event
create table event_like like mysql.event;
insert into event_like select * from mysql.event;
# Now let's alter the table and restart the server
alter table mysql.event
change column body body longtext character set utf8 collate utf8_bin;
--echo "Now we restart the server"
--source include/restart_mysqld.inc
use events_test;
# Event scheduler should be disabled: the system tables are damaged
select @@event_scheduler;
# Try various Event Scheduler operation and check the output.
--error ER_EVENTS_DB_ERROR
show events;
--error ER_EVENTS_DB_ERROR
select event_name from information_schema.events;
--error ER_EVENTS_DB_ERROR
show create event intact_check;
--error ER_EVENTS_DB_ERROR
drop event no_such_event;
--error ER_EVENTS_DB_ERROR
create event intact_check_1 on schedule every 5 hour do select 5;
--error ER_EVENTS_DB_ERROR
alter event intact_check_1 on schedule every 8 hour do select 8;
--error ER_EVENTS_DB_ERROR
alter event intact_check_1 rename to intact_check_2;
--error ER_EVENTS_DB_ERROR
drop event intact_check_1;
--error ER_EVENTS_DB_ERROR
drop event intact_check_2;
--error ER_EVENTS_DB_ERROR
drop event intact_check;
--error ER_EVENTS_DB_ERROR
set global event_scheduler=on;
--error ER_EVENTS_DB_ERROR
set global event_scheduler=off;
show variables like 'event_scheduler';
--echo Make sure that we still can create and drop databases,
--echo and no warnings are produced.
drop database if exists mysqltest_database_not_exists;
create database mysqltest_db1;
drop database mysqltest_db1;
--echo Restore the original mysql.event table
drop table mysql.event;
rename table event_like to mysql.event;
--echo Now let's restart the server again
--source include/restart_mysqld.inc
# We need this file primarily to make sure that the scheduler is restarted
# and enabled after we have restored mysql.event table.
# This is the final step of the "cleanup".
#
# Make sure also that events are executed OK after restart, just in case.
use events_test;
# Make sure the scheduler was started successfully
select @@event_scheduler;
let $wait_condition=select count(distinct name)=3 from execution_log;
--source include/wait_condition.inc
drop table execution_log;
# Will drop all events
drop database events_test;
let $wait_condition=
select count(*) = 0 from information_schema.processlist
where db='events_test' and command = 'Connect' and user=current_user();
--source include/wait_condition.inc
--echo #
--echo # Test for bug#11748899 -- EVENT SET TO DISABLED AND ON COMPLETION
--echo # NOT PRESERVE IS DELETED AT SERVER
--echo #
SELECT @@event_scheduler;
USE test;
--disable_warnings
DROP EVENT IF EXISTS e1;
--enable_warnings
CREATE EVENT e1 ON SCHEDULE EVERY 1 SECOND DISABLE DO SELECT 1;
--replace_column 6 # 9 # 10 #
SHOW EVENTS;
--echo "Now we restart the server"
--source include/restart_mysqld.inc
USE test;
SELECT @@event_scheduler;
--replace_column 6 # 9 # 10 #
SHOW EVENTS;
DROP EVENT e1;
--echo # end test for bug#11748899
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