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use test; CREATE PROCEDURE test_p1 () BEGIN ALTER TABLE t_10 ADD UNIQUE INDEX USING BTREE (a); ALTER TABLE tp ADD UNIQUE INDEX USING BTREE (a); ALTER TABLE tp EXCHANGE PARTITION p0 WITH TABLE t_10; ALTER TABLE tp DROP INDEX a; ALTER TABLE t_10 DROP INDEX a; END| CALL test_p1; SELECT * FROM t_10; a b 2 Two 4 Four 6 Six 8 Eight SELECT * FROM tp WHERE a BETWEEN 0 AND 9; a b 1 One 3 Three 5 Five 9 Nine DROP PROCEDURE test_p1; SET @save_autocommit= @@autocommit; SET @@autocommit= OFF; SHOW VARIABLES LIKE '%autocommit%'; Variable_name Value autocommit OFF CREATE TRIGGER test_trg_1 BEFORE UPDATE ON tp FOR EACH ROW BEGIN ALTER TABLE tp EXCHANGE PARTITION p0 WITH TABLE t_10; END| ERROR HY000: Explicit or implicit commit is not allowed in stored function or trigger. CREATE FUNCTION test_f_1() RETURNS int BEGIN ALTER TABLE tp EXCHANGE PARTITION p0 WITH TABLE t_10; END| ERROR HY000: Explicit or implicit commit is not allowed in stored function or trigger. SET @@autocommit= @save_autocommit; SET @save_event_scheduler= @@global.event_scheduler; SET @@global.event_scheduler= ON; CREATE EVENT test_ev_1 ON SCHEDULE AT CURRENT_TIMESTAMP DO ALTER TABLE tp EXCHANGE PARTITION p0 WITH TABLE t_10; SELECT * FROM t_10; a b 1 One 3 Three 5 Five 9 Nine SELECT * FROM tp WHERE a BETWEEN 0 AND 9; a b 2 Two 4 Four 6 Six 8 Eight SET @@global.event_scheduler= @save_event_scheduler; DROP TABLE IF EXISTS t_10; DROP TABLE IF EXISTS t_100; DROP TABLE IF EXISTS t_1000; DROP TABLE IF EXISTS tp; DROP TABLE IF EXISTS tsp; DROP TABLE IF EXISTS tsp_00; DROP TABLE IF EXISTS tsp_01; DROP TABLE IF EXISTS tsp_02; DROP TABLE IF EXISTS tsp_03; DROP TABLE IF EXISTS tsp_04; DROP TABLE IF EXISTS t_empty; DROP TABLE IF EXISTS t_null;