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33 lines
760 B
Plaintext
33 lines
760 B
Plaintext
#
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# Bug #53742: UPDATEs have no effect after applying patch for bug 36569
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#
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CREATE TABLE t1 (
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pk INT NOT NULL AUTO_INCREMENT,
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c1_idx CHAR(1) DEFAULT 'y',
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c2 INT,
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PRIMARY KEY (pk),
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INDEX c1_idx (c1_idx)
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) ENGINE=InnoDB;
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INSERT INTO t1 VALUES (), (), (), ();
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SELECT * FROM t1 WHERE c1_idx = 'y' ORDER BY pk DESC LIMIT 2;
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pk c1_idx c2
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4 y NULL
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3 y NULL
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UPDATE t1 SET c2 = 0 WHERE c1_idx = 'y' ORDER BY pk DESC LIMIT 2;
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SELECT * FROM t1 WHERE c1_idx = 'y' ORDER BY pk DESC LIMIT 2;
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pk c1_idx c2
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4 y 0
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3 y 0
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SELECT * FROM t1 WHERE c1_idx = 'y' ORDER BY pk DESC;
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pk c1_idx c2
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4 y 0
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3 y 0
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2 y NULL
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1 y NULL
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DELETE FROM t1 WHERE c1_idx = 'y' ORDER BY pk DESC LIMIT 2;
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SELECT * FROM t1 WHERE c1_idx = 'y' ORDER BY pk DESC;
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pk c1_idx c2
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2 y NULL
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1 y NULL
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DROP TABLE t1;
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