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34 lines
612 B
Plaintext
34 lines
612 B
Plaintext
DROP TABLE IF EXISTS t1;
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CREATE TABLE t1 (
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pk1 INT NOT NULL PRIMARY KEY,
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b INT NOT NULL,
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c INT NOT NULL UNIQUE
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) ENGINE=ndbcluster;
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INSERT INTO t1 VALUES (0, 1, 0),(1,2,1),(2,3,2);
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UPDATE t1 set b = c;
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select * from t1 order by pk1;
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pk1 b c
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0 0 0
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1 1 1
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2 2 2
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UPDATE t1 set pk1 = 4 where pk1 = 1;
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select * from t1 order by pk1;
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pk1 b c
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0 0 0
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2 2 2
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4 1 1
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UPDATE t1 set pk1 = 1, c = 2 where pk1 = 4;
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ERROR 23000: Duplicate entry '1' for key 1
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select * from t1 order by pk1;
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pk1 b c
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0 0 0
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2 2 2
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4 1 1
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UPDATE t1 set pk1 = pk1 + 10;
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select * from t1 order by pk1;
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pk1 b c
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10 0 0
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12 2 2
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14 1 1
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DROP TABLE IF EXISTS t1;
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