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48 lines
1.7 KiB
Text
48 lines
1.7 KiB
Text
SET timestamp=UNIX_TIMESTAMP('2014-11-01 10:20:30');
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SET GLOBAL event_scheduler=off;
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CREATE TABLE t1 (a INT);
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CREATE OR REPLACE EVENT IF NOT EXISTS ev1 ON SCHEDULE EVERY 1 SECOND DO DROP DATABASE db1;
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ERROR HY000: Incorrect usage of OR REPLACE and IF NOT EXISTS
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CREATE EVENT ev1 ON SCHEDULE EVERY 1 SECOND DO INSERT INTO t1 VALUES (10);
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SELECT EVENT_NAME, EVENT_DEFINITION FROM INFORMATION_SCHEMA.EVENTS;
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EVENT_NAME EVENT_DEFINITION
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ev1 INSERT INTO t1 VALUES (10)
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SET GLOBAL event_scheduler=on;
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SELECT DISTINCT a FROM t1;
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a
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10
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SET GLOBAL event_scheduler=off;
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DELETE FROM t1;
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CREATE EVENT ev1 ON SCHEDULE EVERY 1 SECOND DO INSERT INTO t1 VALUES (11);
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ERROR HY000: Event 'ev1' already exists
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SELECT EVENT_NAME, EVENT_DEFINITION FROM INFORMATION_SCHEMA.EVENTS;
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EVENT_NAME EVENT_DEFINITION
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ev1 INSERT INTO t1 VALUES (10)
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CREATE EVENT IF NOT EXISTS ev1 ON SCHEDULE EVERY 1 SECOND DO INSERT INTO t1 VALUES (12);
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Warnings:
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Note 1537 Event 'ev1' already exists
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SELECT EVENT_NAME, EVENT_DEFINITION FROM INFORMATION_SCHEMA.EVENTS;
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EVENT_NAME EVENT_DEFINITION
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ev1 INSERT INTO t1 VALUES (10)
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CREATE OR REPLACE EVENT ev1 ON SCHEDULE EVERY 1 SECOND DO INSERT INTO t1 VALUES (13);
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SELECT EVENT_NAME, EVENT_DEFINITION FROM INFORMATION_SCHEMA.EVENTS;
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EVENT_NAME EVENT_DEFINITION
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ev1 INSERT INTO t1 VALUES (13)
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SET GLOBAL event_scheduler=on;
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SELECT DISTINCT a FROM t1;
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a
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13
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SET GLOBAL event_scheduler=off;
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DELETE FROM t1;
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DROP EVENT IF EXISTS ev1;
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SELECT EVENT_NAME, EVENT_DEFINITION FROM INFORMATION_SCHEMA.EVENTS;
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EVENT_NAME EVENT_DEFINITION
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DROP EVENT IF EXISTS ev1;
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Warnings:
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Note 1305 Event ev1 does not exist
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DROP EVENT ev1;
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ERROR HY000: Unknown event 'ev1'
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SELECT EVENT_NAME, EVENT_DEFINITION FROM INFORMATION_SCHEMA.EVENTS;
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EVENT_NAME EVENT_DEFINITION
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DROP TABLE t1;
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SET timestamp=DEFAULT;
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