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103 lines
3.1 KiB
Plaintext
103 lines
3.1 KiB
Plaintext
CREATE DATABASE IF NOT EXISTS events_test;
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USE events_test;
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SET GLOBAL event_scheduler=OFF;
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Try agian to make sure it's allowed
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SET GLOBAL event_scheduler=OFF;
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SHOW VARIABLES LIKE 'event_scheduler';
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Variable_name Value
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event_scheduler OFF
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SET GLOBAL event_scheduler=1;
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SHOW VARIABLES LIKE 'event_scheduler';
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Variable_name Value
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event_scheduler ON
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SET GLOBAL event_scheduler=0;
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SHOW VARIABLES LIKE 'event_scheduler';
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Variable_name Value
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event_scheduler OFF
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SET GLOBAL event_scheduler=ON;
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Try again to make sure it's allowed
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SET GLOBAL event_scheduler=ON;
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SHOW VARIABLES LIKE 'event_scheduler';
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Variable_name Value
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event_scheduler ON
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SET GLOBAL event_scheduler=DISABLED;
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ERROR 42000: Variable 'event_scheduler' can't be set to the value of 'DISABLED'
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SHOW VARIABLES LIKE 'event_scheduler';
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Variable_name Value
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event_scheduler ON
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SET GLOBAL event_scheduler=-1;
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ERROR 42000: Variable 'event_scheduler' can't be set to the value of '-1'
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SHOW VARIABLES LIKE 'event_scheduler';
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Variable_name Value
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event_scheduler ON
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SET GLOBAL event_scheduler=2;
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ERROR 42000: Variable 'event_scheduler' can't be set to the value of '2'
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SHOW VARIABLES LIKE 'event_scheduler';
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Variable_name Value
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event_scheduler ON
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SET GLOBAL event_scheduler=5;
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ERROR 42000: Variable 'event_scheduler' can't be set to the value of '5'
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SHOW VARIABLES LIKE 'event_scheduler';
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Variable_name Value
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event_scheduler ON
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CREATE TABLE table_1(a int);
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CREATE TABLE table_2(a int);
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CREATE TABLE table_3(a int);
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CREATE TABLE table_4(a int);
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SET GLOBAL event_scheduler=ON;
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CREATE EVENT event_1 ON SCHEDULE EVERY 2 SECOND
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DO
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INSERT INTO table_1 VALUES (1);
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CREATE EVENT event_2 ON SCHEDULE EVERY 1 SECOND
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ENDS NOW() + INTERVAL 6 SECOND
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ON COMPLETION PRESERVE
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DO
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INSERT INTO table_2 VALUES (1);
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CREATE EVENT event_3 ON SCHEDULE EVERY 2 SECOND ENDS NOW() + INTERVAL 1 SECOND
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ON COMPLETION NOT PRESERVE
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DO
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INSERT INTO table_3 VALUES (1);
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CREATE EVENT event_4 ON SCHEDULE EVERY 1 SECOND ENDS NOW() + INTERVAL 1 SECOND
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ON COMPLETION PRESERVE
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DO
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INSERT INTO table_4 VALUES (1);
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SELECT IF(SUM(a) >= 4, 'OK', 'ERROR') FROM table_1;
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IF(SUM(a) >= 4, 'OK', 'ERROR')
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OK
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SELECT IF(SUM(a) >= 5, 'OK', 'ERROR') FROM table_2;
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IF(SUM(a) >= 5, 'OK', 'ERROR')
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OK
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SELECT IF(SUM(a) >= 1, 'OK', 'ERROR') FROM table_3;
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IF(SUM(a) >= 1, 'OK', 'ERROR')
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OK
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SELECT IF(SUM(a) >= 1, 'OK', 'ERROR') FROM table_4;
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IF(SUM(a) >= 1, 'OK', 'ERROR')
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OK
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SELECT IF(TIME_TO_SEC(TIMEDIFF(ENDS,STARTS))=6, 'OK', 'ERROR')
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FROM INFORMATION_SCHEMA.EVENTS
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WHERE EVENT_SCHEMA=DATABASE() AND EVENT_NAME='event_2';
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IF(TIME_TO_SEC(TIMEDIFF(ENDS,STARTS))=6, 'OK', 'ERROR')
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OK
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SELECT IF(LAST_EXECUTED-ENDS < 3, 'OK', 'ERROR')
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FROM INFORMATION_SCHEMA.EVENTS
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WHERE EVENT_SCHEMA=DATABASE() AND EVENT_NAME='event_2';
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IF(LAST_EXECUTED-ENDS < 3, 'OK', 'ERROR')
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OK
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"Already dropped because ended. Therefore an error."
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DROP EVENT event_3;
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ERROR HY000: Unknown event 'event_3'
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DROP EVENT event_1;
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"Should be preserved"
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SELECT EVENT_NAME, STATUS FROM INFORMATION_SCHEMA.EVENTS ORDER BY EVENT_NAME;
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EVENT_NAME STATUS
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event_2 DISABLED
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event_4 DISABLED
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DROP EVENT event_2;
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DROP EVENT event_4;
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DROP TABLE table_1;
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DROP TABLE table_2;
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DROP TABLE table_3;
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DROP TABLE table_4;
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DROP DATABASE events_test;
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SET GLOBAL event_scheduler=OFF;
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