23 lines
504 B
Plaintext
23 lines
504 B
Plaintext
DROP TABLE IF EXISTS t1, t2;
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CREATE TABLE t1 (a INT, b CHAR(8), pk INT AUTO_INCREMENT PRIMARY KEY) ENGINE=xengine;
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INSERT INTO t1 (a,b) VALUES (1,'a'),(2,'b'),(3,'a');
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CREATE TABLE t2 LIKE t1;
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INSERT INTO t2 SELECT * FROM t1;
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START TRANSACTION WITH CONSISTENT SNAPSHOT;
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SAVEPOINT a;
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SELECT * FROM t1 ORDER BY pk;
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a b pk
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1 a 1
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2 b 2
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3 a 3
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ROLLBACK TO SAVEPOINT a;
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SAVEPOINT a;
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SELECT * FROM t2 ORDER BY pk;
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a b pk
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1 a 1
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2 b 2
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3 a 3
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ROLLBACK TO SAVEPOINT a;
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ALTER TABLE t1 RENAME TO t3;
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DROP TABLE t2, t3;
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