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Merge pull request #245 from PeterWeiWang/mysql-8.0.25-olap-kp
support for parallel queries
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mysql-test/suite/gcol/r/gcol_keys_innodb.result-pq
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,128 @@ | ||
| create table t1(a int not null, b int, c char(10), d varchar(20), primary key (a)) engine = innodb default charset=ucs2; | ||
| insert into t1 values (1,1,'ab','ab'),(2,2,'ac','ac'),(3,2,'ad','ad'),(4,4,'afe','afe'); | ||
| commit; | ||
| alter table t1 add unique index (b); | ||
| ERROR 23000: Duplicate entry '2' for key 't1.b' | ||
| insert into t1 values(8,9,'fff','fff'); | ||
| select * from t1; | ||
| a b c d | ||
| 1 1 ab ab | ||
| 2 2 ac ac | ||
| 3 2 ad ad | ||
| 4 4 afe afe | ||
| 8 9 fff fff | ||
| show create table t1; | ||
| Table Create Table | ||
| t1 CREATE TABLE `t1` ( | ||
| `a` int NOT NULL, | ||
| `b` int DEFAULT NULL, | ||
| `c` char(10) DEFAULT NULL, | ||
| `d` varchar(20) DEFAULT NULL, | ||
| PRIMARY KEY (`a`) | ||
| ) ENGINE=InnoDB DEFAULT CHARSET=ucs2 | ||
| alter table t1 add index (b); | ||
| insert into t1 values(10,10,'kkk','iii'); | ||
| select * from t1; | ||
| a b c d | ||
| 1 1 ab ab | ||
| 2 2 ac ac | ||
| 3 2 ad ad | ||
| 4 4 afe afe | ||
| 8 9 fff fff | ||
| 10 10 kkk iii | ||
| select * from t1 force index(b) order by b; | ||
| a b c d | ||
| 1 1 ab ab | ||
| 2 2 ac ac | ||
| 3 2 ad ad | ||
| 4 4 afe afe | ||
| 8 9 fff fff | ||
| 10 10 kkk iii | ||
| explain select * from t1 force index(b) order by b; | ||
| id select_type table partitions type possible_keys key key_len ref rows filtered Extra | ||
| 1 SIMPLE <gather2> NULL ALL NULL NULL NULL NULL 6 100.00 Parallel execute (1 workers) | ||
| 2 SIMPLE t1 NULL index NULL b 5 NULL 6 100.00 NULL | ||
| Warnings: | ||
| Note 1003 /* select#1 */ select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b`,`test`.`t1`.`c` AS `c`,`test`.`t1`.`d` AS `d` from `test`.`t1` FORCE INDEX (`b`) order by `test`.`t1`.`b` | ||
| show create table t1; | ||
| Table Create Table | ||
| t1 CREATE TABLE `t1` ( | ||
| `a` int NOT NULL, | ||
| `b` int DEFAULT NULL, | ||
| `c` char(10) DEFAULT NULL, | ||
| `d` varchar(20) DEFAULT NULL, | ||
| PRIMARY KEY (`a`), | ||
| KEY `b` (`b`) | ||
| ) ENGINE=InnoDB DEFAULT CHARSET=ucs2 | ||
| alter table t1 add unique index (c), add index (d); | ||
| insert into t1 values(11,11,'aaa','mmm'); | ||
| select * from t1; | ||
| a b c d | ||
| 1 1 ab ab | ||
| 2 2 ac ac | ||
| 3 2 ad ad | ||
| 4 4 afe afe | ||
| 8 9 fff fff | ||
| 10 10 kkk iii | ||
| 11 11 aaa mmm | ||
| select * from t1 force index(b) order by b; | ||
| a b c d | ||
| 1 1 ab ab | ||
| 2 2 ac ac | ||
| 3 2 ad ad | ||
| 4 4 afe afe | ||
| 8 9 fff fff | ||
| 10 10 kkk iii | ||
| 11 11 aaa mmm | ||
| select * from t1 force index(c) order by c; | ||
| a b c d | ||
| 11 11 aaa mmm | ||
| 1 1 ab ab | ||
| 2 2 ac ac | ||
| 3 2 ad ad | ||
| 4 4 afe afe | ||
| 8 9 fff fff | ||
| 10 10 kkk iii | ||
| select * from t1 force index(d) order by d; | ||
| a b c d | ||
| 1 1 ab ab | ||
| 2 2 ac ac | ||
| 3 2 ad ad | ||
| 4 4 afe afe | ||
| 8 9 fff fff | ||
| 10 10 kkk iii | ||
| 11 11 aaa mmm | ||
| explain select * from t1 force index(b) order by b; | ||
| id select_type table partitions type possible_keys key key_len ref rows filtered Extra | ||
| 1 SIMPLE <gather2> NULL ALL NULL NULL NULL NULL 7 100.00 Parallel execute (1 workers) | ||
| 2 SIMPLE t1 NULL index NULL b 5 NULL 7 100.00 NULL | ||
| Warnings: | ||
| Note 1003 /* select#1 */ select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b`,`test`.`t1`.`c` AS `c`,`test`.`t1`.`d` AS `d` from `test`.`t1` FORCE INDEX (`b`) order by `test`.`t1`.`b` | ||
| explain select * from t1 force index(c) order by c; | ||
| id select_type table partitions type possible_keys key key_len ref rows filtered Extra | ||
| 1 SIMPLE <gather2> NULL ALL NULL NULL NULL NULL 7 100.00 Parallel execute (1 workers) | ||
| 2 SIMPLE t1 NULL index NULL c 21 NULL 7 100.00 NULL | ||
| Warnings: | ||
| Note 1003 /* select#1 */ select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b`,`test`.`t1`.`c` AS `c`,`test`.`t1`.`d` AS `d` from `test`.`t1` FORCE INDEX (`c`) order by `test`.`t1`.`c` | ||
| explain select * from t1 force index(d) order by d; | ||
| id select_type table partitions type possible_keys key key_len ref rows filtered Extra | ||
| 1 SIMPLE <gather2> NULL ALL NULL NULL NULL NULL 7 100.00 Parallel execute (1 workers) | ||
| 2 SIMPLE t1 NULL index NULL d 43 NULL 7 100.00 NULL | ||
| Warnings: | ||
| Note 1003 /* select#1 */ select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b`,`test`.`t1`.`c` AS `c`,`test`.`t1`.`d` AS `d` from `test`.`t1` FORCE INDEX (`d`) order by `test`.`t1`.`d` | ||
| show create table t1; | ||
| Table Create Table | ||
| t1 CREATE TABLE `t1` ( | ||
| `a` int NOT NULL, | ||
| `b` int DEFAULT NULL, | ||
| `c` char(10) DEFAULT NULL, | ||
| `d` varchar(20) DEFAULT NULL, | ||
| PRIMARY KEY (`a`), | ||
| UNIQUE KEY `c` (`c`), | ||
| KEY `b` (`b`), | ||
| KEY `d` (`d`) | ||
| ) ENGINE=InnoDB DEFAULT CHARSET=ucs2 | ||
| check table t1; | ||
| Table Op Msg_type Msg_text | ||
| test.t1 check status OK | ||
| drop table t1; |
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