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After a partial rollback, an undo log segment that is empty may carry a duplicate-looking top_undo_no. Adjust the debug assertions and add a test.
32 lines
620 B
Plaintext
32 lines
620 B
Plaintext
--source include/have_innodb.inc
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CREATE TABLE t1 (i INT) ENGINE=InnoDB;
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CREATE TABLE t2 (i INT) ENGINE=InnoDB;
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CREATE OR REPLACE TRIGGER tr1
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AFTER UPDATE ON t2
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FOR EACH ROW
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INSERT INTO tlog (i) VALUES (1);
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INSERT IGNORE INTO t2 VALUES (1);
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CREATE TRIGGER IF NOT EXISTS tr2
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BEFORE INSERT ON t2
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FOR EACH ROW
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INSERT INTO tlog (i) VALUES (2);
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START TRANSACTION;
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INSERT INTO t1 VALUES (1);
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--error ER_NO_SUCH_TABLE
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UPDATE t2 SET i = 3;
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INSERT INTO t1 VALUES (2);
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--error ER_NO_SUCH_TABLE
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INSERT INTO t2 VALUES (4);
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UPDATE t1 SET i = 4 LIMIT 1;
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COMMIT;
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SELECT * FROM t1;
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SELECT * FROM t2;
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DROP TABLE t1,t2;
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