diff options
Diffstat (limited to 'mysql-test/r/innodb_mysql.result')
| -rw-r--r-- | mysql-test/r/innodb_mysql.result | 146 |
1 files changed, 146 insertions, 0 deletions
diff --git a/mysql-test/r/innodb_mysql.result b/mysql-test/r/innodb_mysql.result index c93d26bbd04..d5f014b6840 100644 --- a/mysql-test/r/innodb_mysql.result +++ b/mysql-test/r/innodb_mysql.result @@ -1065,4 +1065,150 @@ a b ROLLBACK; ROLLBACK; DROP TABLE t1; +CREATE TABLE t1( +a INT, +b INT NOT NULL, +c INT NOT NULL, +d INT, +UNIQUE KEY (c,b) +) engine=innodb; +INSERT INTO t1 VALUES (1,1,1,50), (1,2,3,40), (2,1,3,4); +EXPLAIN SELECT c,b,d FROM t1 GROUP BY c,b,d; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 ALL NULL NULL NULL NULL 3 Using filesort +SELECT c,b,d FROM t1 GROUP BY c,b,d; +c b d +1 1 50 +3 1 4 +3 2 40 +EXPLAIN SELECT c,b,d FROM t1 GROUP BY c,b,d ORDER BY NULL; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 ALL NULL NULL NULL NULL 3 +SELECT c,b,d FROM t1 GROUP BY c,b,d ORDER BY NULL; +c b d +1 1 50 +3 1 4 +3 2 40 +EXPLAIN SELECT c,b,d FROM t1 ORDER BY c,b,d; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 ALL NULL NULL NULL NULL 3 Using filesort +SELECT c,b,d FROM t1 ORDER BY c,b,d; +c b d +1 1 50 +3 1 4 +3 2 40 +EXPLAIN SELECT c,b,d FROM t1 GROUP BY c,b; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 index NULL c 8 NULL 3 +SELECT c,b,d FROM t1 GROUP BY c,b; +c b d +1 1 50 +3 1 4 +3 2 40 +EXPLAIN SELECT c,b FROM t1 GROUP BY c,b; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 index NULL c 8 NULL 3 Using index +SELECT c,b FROM t1 GROUP BY c,b; +c b +1 1 +3 1 +3 2 +DROP TABLE t1; +CREATE TABLE t1 (a INT, b INT, PRIMARY KEY (a), INDEX b (b)) ENGINE=InnoDB; +INSERT INTO t1(a,b) VALUES (1,1), (2,2), (3,2); +EXPLAIN SELECT * FROM t1 WHERE b=2 ORDER BY a ASC; +id 1 +select_type SIMPLE +table t1 +type ref +possible_keys b +key b +key_len 5 +ref const +rows 1 +Extra Using where; Using index +SELECT * FROM t1 WHERE b=2 ORDER BY a ASC; +a b +2 2 +3 2 +EXPLAIN SELECT * FROM t1 WHERE b=2 ORDER BY a DESC; +id 1 +select_type SIMPLE +table t1 +type ref +possible_keys b +key b +key_len 5 +ref const +rows 1 +Extra Using where; Using index +SELECT * FROM t1 WHERE b=2 ORDER BY a DESC; +a b +3 2 +2 2 +EXPLAIN SELECT * FROM t1 ORDER BY b ASC, a ASC; +id 1 +select_type SIMPLE +table t1 +type index +possible_keys NULL +key b +key_len 5 +ref NULL +rows 3 +Extra Using index +SELECT * FROM t1 ORDER BY b ASC, a ASC; +a b +1 1 +2 2 +3 2 +EXPLAIN SELECT * FROM t1 ORDER BY b DESC, a DESC; +id 1 +select_type SIMPLE +table t1 +type index +possible_keys NULL +key b +key_len 5 +ref NULL +rows 3 +Extra Using index +SELECT * FROM t1 ORDER BY b DESC, a DESC; +a b +3 2 +2 2 +1 1 +EXPLAIN SELECT * FROM t1 ORDER BY b ASC, a DESC; +id 1 +select_type SIMPLE +table t1 +type index +possible_keys NULL +key b +key_len 5 +ref NULL +rows 3 +Extra Using index; Using filesort +SELECT * FROM t1 ORDER BY b ASC, a DESC; +a b +1 1 +3 2 +2 2 +EXPLAIN SELECT * FROM t1 ORDER BY b DESC, a ASC; +id 1 +select_type SIMPLE +table t1 +type index +possible_keys NULL +key b +key_len 5 +ref NULL +rows 3 +Extra Using index; Using filesort +SELECT * FROM t1 ORDER BY b DESC, a ASC; +a b +2 2 +3 2 +1 1 +DROP TABLE t1; End of 5.0 tests |