128 lines
3.0 KiB
Plaintext
128 lines
3.0 KiB
Plaintext
DROP TABLE IF EXISTS t1;
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DROP TABLE IF EXISTS t2;
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DROP TABLE IF EXISTS t3;
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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 = 4 where pk1 = 2;
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ERROR 23000: Duplicate entry '4' for key 'PRIMARY'
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UPDATE IGNORE t1 set pk1 = 4 where pk1 = 2;
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Warnings:
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Warning 1062 Duplicate entry '4' for key 'PRIMARY'
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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 = 2 where pk1 = 2;
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affected rows: 0
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info: Rows matched: 1 Changed: 0 Warnings: 0
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UPDATE t1 set c = 1 WHERE b IN(0,1,2,3,4);
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ERROR 23000: Duplicate entry '1' for key 'c'
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UPDATE IGNORE t1 set c = 1 WHERE b IN(0,1,2,3,4);
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Warnings:
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Warning 1062 Duplicate entry '1' for key 'c'
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Warning 1062 Duplicate entry '1' for key 'c'
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UPDATE t1 set pk1 = 1, c = 2 where pk1 = 4;
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ERROR 23000: Duplicate entry '2' for key 'c'
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UPDATE IGNORE t1 set pk1 = 1, c = 2 where pk1 = 4;
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Warnings:
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Warning 1062 Duplicate entry '2' for key '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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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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create unique index ib on t1(b);
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update t1 set c = 4 where pk1 = 12;
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update ignore t1 set b = 55 where pk1 = 14;
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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 4
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14 55 1
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DROP TABLE IF EXISTS t1;
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CREATE TABLE t1 (a int, b int, KEY (a, b)) ENGINE=ndbcluster;
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CREATE TABLE t2 (a int, b int, UNIQUE KEY (a, b)) ENGINE=ndbcluster;
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CREATE TABLE t3 (a int, b int, PRIMARY KEY (a, b)) ENGINE=ndbcluster;
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INSERT INTO t1 VALUES (1, 2);
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INSERT INTO t1 VALUES (2, 2);
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INSERT INTO t2 VALUES (1, 2);
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INSERT INTO t2 VALUES (2, 2);
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INSERT INTO t3 VALUES (1, 2);
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INSERT INTO t3 VALUES (2, 2);
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UPDATE t1 SET a = 1;
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UPDATE t1 SET a = 1 ORDER BY a;
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UPDATE t2 SET a = 1;
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ERROR 23000: Duplicate entry '1-2' for key 'a'
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UPDATE t2 SET a = 1 ORDER BY a;
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ERROR 23000: Duplicate entry '1-2' for key 'a'
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UPDATE t3 SET a = 1;
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ERROR 23000: Duplicate entry '1-2' for key 'PRIMARY'
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UPDATE t3 SET a = 1 ORDER BY a;
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ERROR 23000: Duplicate entry '1-2' for key 'PRIMARY'
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SELECT count(*) FROM t1;
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count(*)
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2
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SELECT count(*) FROM t2;
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count(*)
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2
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SELECT count(*) FROM t3;
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count(*)
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2
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SELECT * FROM t1 ORDER by a;
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a b
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1 2
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1 2
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SELECT * FROM t2 ORDER by a;
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a b
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1 2
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2 2
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SELECT * FROM t3 ORDER by a;
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a b
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1 2
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2 2
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DROP TABLE IF EXISTS t1;
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DROP TABLE IF EXISTS t2;
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DROP TABLE IF EXISTS t3;
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CREATE TABLE t1 (id INT NOT NULL AUTO_INCREMENT,
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mytext CHAR(30) DEFAULT NULL,
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PRIMARY KEY (`id`) ) ENGINE=ndbcluster;
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insert into t1 values(NULL,"hello"),(NULL,"world"),(NULL,"hello"),(NULL,"world");
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select * from t1 order by id;
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id mytext
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1 hello
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2 world
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3 hello
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4 world
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update t1 set mytext = "goodbye" where mytext = "world" order by mytext;
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select * from t1 order by id;
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id mytext
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1 hello
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2 goodbye
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3 hello
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4 goodbye
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DROP TABLE IF EXISTS t1;
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End of 5.1 tests
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