blob: c2247564e6512fa92fffcdbc932f6139dbd481fc (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
|
DROP TABLE IF EXISTS t1;
CREATE TABLE t1 (
pk1 INT NOT NULL PRIMARY KEY,
b INT NOT NULL,
c INT NOT NULL UNIQUE
) ENGINE=ndbcluster;
INSERT INTO t1 VALUES (0, 1, 0),(1,2,1),(2,3,2);
UPDATE t1 set b = c;
select * from t1 order by pk1;
pk1 b c
0 0 0
1 1 1
2 2 2
UPDATE t1 set pk1 = 4 where pk1 = 1;
select * from t1 order by pk1;
pk1 b c
0 0 0
2 2 2
4 1 1
UPDATE t1 set pk1 = 1, c = 2 where pk1 = 4;
ERROR 23000: Duplicate entry '1' for key 1
select * from t1 order by pk1;
pk1 b c
0 0 0
2 2 2
4 1 1
UPDATE t1 set pk1 = pk1 + 10;
select * from t1 order by pk1;
pk1 b c
10 0 0
12 2 2
14 1 1
DROP TABLE IF EXISTS t1;
|
