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b5615eff0d
Idea comes from MySQL which does something similar
229 lines
5.5 KiB
Text
229 lines
5.5 KiB
Text
CREATE TABLE tab1(c1 int,c2 varchar(30), c3 BLOB) ENGINE=InnoDB;
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CREATE TABLE tab1u LIKE tab1;
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CREATE TABLE tab1d LIKE tab1;
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CREATE TABLE tab1i LIKE tab1;
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CREATE TABLE tab3(c1 int,c2 varchar(30)) ENGINE=InnoDB;
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CREATE TABLE tab4(c1 int,c2 varchar(30)) ENGINE=InnoDB;
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CREATE TABLE tab5(c1 int,c2 varchar(30)) ENGINE=InnoDB;
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INSERT INTO tab1u VALUES(1,'Testing the wl6658','Testing the wl6658');
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INSERT INTO tab1d VALUES(1,'Updated','Updated');
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INSERT INTO tab4 VALUES(1,'Test for Update');
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INSERT INTO tab5 VALUES(1,'Test for Delete');
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CREATE TRIGGER test_trig BEFORE INSERT ON tab1
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FOR EACH ROW BEGIN
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INSERT INTO tab3 VALUES(1,'Inserted From Trigger');
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UPDATE tab4 SET c2='Updated from Trigger' WHERE c1=1;
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DELETE FROM tab5;
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END |
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CREATE TABLE tab2(
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id INT NOT NULL,
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store_name VARCHAR(30),
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parts VARCHAR(30),
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store_id INT
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) ENGINE=InnoDB
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PARTITION BY LIST(store_id) (
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PARTITION pNorth VALUES IN (10,20,30),
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PARTITION pEast VALUES IN (40,50,60),
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PARTITION pWest VALUES IN (70,80,100)
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);
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SELECT update_time
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FROM information_schema.tables WHERE table_name='tab2';
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update_time
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NULL
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CREATE PROCEDURE proc_wl6658()
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BEGIN
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INSERT INTO tab2 VALUES(1,'ORACLE','NUTT',10);
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INSERT INTO tab2 VALUES(2,'HUAWEI','BOLT',40);
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COMMIT;
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END |
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CALL proc_wl6658;
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SELECT * FROM tab2 ORDER BY id,store_id;
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id store_name parts store_id
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1 ORACLE NUTT 10
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2 HUAWEI BOLT 40
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SELECT COUNT(update_time)
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FROM information_schema.tables WHERE table_name='tab2';
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COUNT(update_time)
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1
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TRUNCATE TABLE tab2;
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SELECT COUNT(update_time)
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FROM information_schema.tables WHERE table_name='tab2';
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COUNT(update_time)
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1
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CREATE TABLE tab7(c1 INT NOT NULL, PRIMARY KEY (c1)) ENGINE=INNODB;
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CREATE TABLE tab8(c1 INT PRIMARY KEY,c2 INT,
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FOREIGN KEY (c2) REFERENCES tab7(c1) ON DELETE CASCADE )
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ENGINE=INNODB;
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SELECT table_name,update_time
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FROM information_schema.tables WHERE table_name IN ('tab7','tab8')
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GROUP BY table_name ORDER BY table_name;
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table_name update_time
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tab7 NULL
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tab8 NULL
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INSERT INTO tab7 VALUES(1);
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INSERT INTO tab8 VALUES(1,1);
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SELECT table_name,COUNT(update_time)
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FROM information_schema.tables WHERE table_name IN ('tab7','tab8')
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GROUP BY table_name ORDER BY table_name;
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table_name COUNT(update_time)
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tab7 1
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tab8 1
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#restart the server
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# restart
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SELECT table_name,update_time
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FROM information_schema.tables
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WHERE table_name IN ('tab1','tab2','tab3','tab4','tab5','tab7','tab8')
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ORDER BY table_name;
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table_name update_time
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tab1 NULL
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tab2 NULL
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tab3 NULL
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tab4 NULL
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tab5 NULL
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tab7 NULL
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tab8 NULL
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#case1:
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BEGIN WORK;
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INSERT INTO tab1
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VALUES(1,'Testing the wl6658', 'Testing the wl6658');
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SELECT update_time
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FROM information_schema.tables WHERE table_name='tab1';
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update_time
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NULL
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COMMIT;
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SELECT * FROM tab1;
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c1 c2 c3
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1 Testing the wl6658 Testing the wl6658
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SELECT * FROM tab3;
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c1 c2
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1 Inserted From Trigger
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SELECT * FROM tab4;
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c1 c2
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1 Updated from Trigger
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SELECT * FROM tab5;
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c1 c2
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SELECT table_name,COUNT(update_time)
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FROM information_schema.tables
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WHERE table_name IN ('tab1','tab3','tab4','tab5')
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GROUP BY table_name ORDER BY table_name;
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table_name COUNT(update_time)
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tab1 1
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tab3 1
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tab4 1
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tab5 1
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Testcase with UPDATE stmt and transaction
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SELECT * FROM tab1u;
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c1 c2 c3
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1 Testing the wl6658 Testing the wl6658
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SELECT update_time
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FROM information_schema.tables WHERE table_name='tab1u';
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update_time
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NULL
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#case2:
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START TRANSACTION;
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UPDATE tab1u SET c2='Updated',c3='Updated' WHERE c1=1;
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SELECT update_time
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FROM information_schema.tables WHERE table_name='tab1u';
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update_time
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NULL
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COMMIT;
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SELECT * FROM tab1u;
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c1 c2 c3
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1 Updated Updated
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SELECT COUNT(update_time)
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FROM information_schema.tables WHERE table_name='tab1u';
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COUNT(update_time)
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1
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SELECT * FROM tab1d;
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c1 c2 c3
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1 Updated Updated
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SELECT update_time
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FROM information_schema.tables WHERE table_name='tab1d';
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update_time
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NULL
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#case3:
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START TRANSACTION;
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DELETE FROM tab1d;
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SELECT update_time
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FROM information_schema.tables WHERE table_name='tab1d';
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update_time
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NULL
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COMMIT;
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SELECT * FROM tab1d;
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c1 c2 c3
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SELECT COUNT(update_time)
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FROM information_schema.tables WHERE table_name='tab1d';
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COUNT(update_time)
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1
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SELECT * FROM tab1i;
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c1 c2 c3
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SELECT update_time
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FROM information_schema.tables WHERE table_name='tab1i';
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update_time
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NULL
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#case4:
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START TRANSACTION;
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INSERT INTO tab1i
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VALUES(1,'Testing the wl6658', 'Testing the wl6658');
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SELECT update_time
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FROM information_schema.tables WHERE table_name='tab1i';
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update_time
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NULL
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ROLLBACK;
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SELECT * FROM tab1i;
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c1 c2 c3
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SELECT update_time
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FROM information_schema.tables WHERE table_name='tab1i';
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update_time
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NULL
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BEGIN WORK;
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DELETE FROM tab1i;
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SAVEPOINT A;
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INSERT INTO tab2 VALUES(1,'Oracle','NUTT',10);
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INSERT INTO tab2 VALUES(2,'HUAWEI','BOLT',40);
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SAVEPOINT B;
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INSERT INTO tab2 VALUES(3,'IBM','NAIL',70);
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SAVEPOINT C;
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ROLLBACK to A;
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SELECT * FROM tab2;
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id store_name parts store_id
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SELECT update_time
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FROM information_schema.tables WHERE table_name='tab2';
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update_time
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NULL
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#execute DDL instead of commit
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create table tab6(c1 int);
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SELECT update_time
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FROM information_schema.tables WHERE table_name='tab2';
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update_time
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NULL
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START TRANSACTION;
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DELETE FROM tab7;
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ROLLBACK;
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SELECT * FROM tab7;
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c1
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1
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SELECT * FROM tab8;
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c1 c2
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1 1
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SELECT table_name,update_time
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FROM information_schema.tables WHERE table_name IN ('tab7','tab8')
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GROUP BY table_name ORDER BY table_name;
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table_name update_time
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tab7 NULL
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tab8 NULL
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DELETE FROM tab7;
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SELECT * FROM tab7;
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c1
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SELECT * FROM tab8;
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c1 c2
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SELECT table_name,COUNT(update_time)
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FROM information_schema.tables WHERE table_name IN ('tab7','tab8')
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GROUP BY table_name ORDER BY table_name;
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table_name COUNT(update_time)
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tab7 1
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tab8 1
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#cleanup
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DROP TRIGGER test_trig;
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DROP TABLE tab1,tab1u,tab1d,tab1i,tab2,tab3,tab4,tab5,tab6,tab8,tab7;
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DROP PROCEDURE proc_wl6658;
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