diff options
Diffstat (limited to 'mysql-test/r/group_by.result')
| -rw-r--r-- | mysql-test/r/group_by.result | 112 |
1 files changed, 105 insertions, 7 deletions
diff --git a/mysql-test/r/group_by.result b/mysql-test/r/group_by.result index d583eb02aeb..ae61dfb252d 100644 --- a/mysql-test/r/group_by.result +++ b/mysql-test/r/group_by.result @@ -1035,12 +1035,110 @@ HAVING SUM(t1_inner.b)+t1_outer.b > 5); ERROR 42000: 'test.t1_outer.b' isn't in GROUP BY DROP TABLE t1; SET SQL_MODE = ''; -CREATE TABLE t1 (a INT, b INT, KEY(a)); -INSERT INTO t1 VALUES (1, 1), (2, 2), (3,3), (4,4); -EXPLAIN SELECT a, SUM(b) FROM t1 GROUP BY a LIMIT 2; +CREATE TABLE t1 (a INT, b INT, +PRIMARY KEY (a), +KEY i2(a,b)); +INSERT INTO t1 VALUES (1,1),(2,2),(3,3),(4,4),(5,5),(6,6),(7,7),(8,8); +INSERT INTO t1 SELECT a + 8,b FROM t1; +INSERT INTO t1 SELECT a + 16,b FROM t1; +INSERT INTO t1 SELECT a + 32,b FROM t1; +INSERT INTO t1 SELECT a + 64,b FROM t1; +INSERT INTO t1 SELECT a + 128,b FROM t1; +ANALYZE TABLE t1; +Table Op Msg_type Msg_text +test.t1 analyze status OK +EXPLAIN SELECT a FROM t1 WHERE a < 2; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 index NULL a 5 NULL 4 -EXPLAIN SELECT a, SUM(b) FROM t1 IGNORE INDEX (a) GROUP BY a LIMIT 2; +1 SIMPLE t1 range PRIMARY,i2 PRIMARY 4 NULL 2 Using where; Using index +EXPLAIN SELECT a FROM t1 WHERE a < 2 ORDER BY a; id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 ALL NULL NULL NULL NULL 4 Using temporary; Using filesort -DROP TABLE t1; +1 SIMPLE t1 range PRIMARY,i2 PRIMARY 4 NULL 2 Using where; Using index +EXPLAIN SELECT a FROM t1 WHERE a < 2 GROUP BY a; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 range PRIMARY,i2 PRIMARY 4 NULL 2 Using where; Using index +EXPLAIN SELECT a FROM t1 IGNORE INDEX (PRIMARY,i2); +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 ALL NULL NULL NULL NULL 256 +EXPLAIN SELECT a FROM t1 IGNORE INDEX FOR JOIN (PRIMARY,i2); +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 ALL NULL NULL NULL NULL 256 +EXPLAIN SELECT a FROM t1 IGNORE INDEX FOR GROUP BY (PRIMARY,i2) GROUP BY a; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 index NULL PRIMARY 4 NULL 256 Using index +EXPLAIN SELECT a FROM t1 IGNORE INDEX FOR ORDER BY (PRIMARY,i2) ORDER BY a; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 index NULL PRIMARY 4 NULL 256 Using index +EXPLAIN SELECT a FROM t1 IGNORE INDEX FOR ORDER BY (PRIMARY) +IGNORE INDEX FOR GROUP BY (i2) GROUP BY a; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 index NULL PRIMARY 4 NULL 256 Using index +EXPLAIN SELECT a FROM t1 IGNORE INDEX (PRIMARY) IGNORE INDEX FOR ORDER BY (i2); +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 index NULL i2 9 NULL 256 Using index +EXPLAIN SELECT a FROM t1 FORCE INDEX (i2); +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 index NULL i2 9 NULL 256 Using index +EXPLAIN SELECT a FROM t1 USE INDEX (); +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 ALL NULL NULL NULL NULL 256 +EXPLAIN SELECT a FROM t1 USE INDEX () USE INDEX (i2); +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 ALL NULL NULL NULL NULL 256 +EXPLAIN SELECT a FROM t1 +FORCE INDEX (PRIMARY) +IGNORE INDEX FOR GROUP BY (i2) +IGNORE INDEX FOR ORDER BY (i2) +USE INDEX (i2); +ERROR HY000: Incorrect usage of USE INDEX and FORCE INDEX +EXPLAIN SELECT a FROM t1 USE INDEX (i2) USE INDEX (); +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 index NULL i2 9 NULL 256 Using index +EXPLAIN SELECT a FROM t1 FORCE INDEX (); +ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near ')' at line 1 +EXPLAIN SELECT a FROM t1 IGNORE INDEX (); +ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near ')' at line 1 +EXPLAIN SELECT a FROM t1 USE INDEX FOR JOIN (i2) +USE INDEX FOR GROUP BY (i2) GROUP BY a; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 index NULL i2 9 NULL 256 Using index +EXPLAIN SELECT a FROM t1 FORCE INDEX FOR JOIN (i2) +FORCE INDEX FOR GROUP BY (i2) GROUP BY a; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 range NULL i2 4 NULL 257 Using index for group-by +EXPLAIN SELECT a FROM t1 USE INDEX () IGNORE INDEX (i2); +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 ALL NULL NULL NULL NULL 256 +EXPLAIN SELECT a FROM t1 IGNORE INDEX (i2) USE INDEX (); +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 ALL NULL NULL NULL NULL 256 +EXPLAIN SELECT a FROM t1 +USE INDEX FOR GROUP BY (i2) +USE INDEX FOR ORDER BY (i2) +USE INDEX FOR JOIN (i2); +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 index NULL i2 9 NULL 256 Using index +EXPLAIN SELECT a FROM t1 +USE INDEX FOR JOIN (i2) +USE INDEX FOR JOIN (i2) +USE INDEX FOR JOIN (i2,i2); +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 index NULL i2 9 NULL 256 Using index +EXPLAIN SELECT 1 FROM t1 WHERE a IN +(SELECT a FROM t1 USE INDEX (i2) IGNORE INDEX (i2)); +id select_type table type possible_keys key key_len ref rows Extra +1 PRIMARY t1 index NULL PRIMARY 4 NULL 256 Using where; Using index +2 DEPENDENT SUBQUERY t1 ALL NULL NULL NULL NULL 256 Using where +CREATE TABLE t2 (a INT, b INT, KEY(a)); +INSERT INTO t2 VALUES (1, 1), (2, 2), (3,3), (4,4); +EXPLAIN SELECT a, SUM(b) FROM t2 GROUP BY a LIMIT 2; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t2 index NULL a 5 NULL 4 +EXPLAIN SELECT a, SUM(b) FROM t2 IGNORE INDEX (a) GROUP BY a LIMIT 2; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t2 ALL NULL NULL NULL NULL 4 Using temporary; Using filesort +EXPLAIN SELECT 1 FROM t2 WHERE a IN +(SELECT a FROM t1 USE INDEX (i2) IGNORE INDEX (i2)); +id select_type table type possible_keys key key_len ref rows Extra +1 PRIMARY t2 index NULL a 5 NULL 4 Using where; Using index +2 DEPENDENT SUBQUERY t1 ALL NULL NULL NULL NULL 256 Using where +DROP TABLE t1, t2; |