database/mariadb
1
0
Fork 0
mirror of https://github.com/MariaDB/server.git synced 2025-08-01 03:47:19 +03:00
Code Activity

Merge gkodinov@bk-internal.mysql.com:/home/bk/mysql-5.0-opt

Browse Source 
into  magare.gmz:/home/kgeorge/mysql/autopush/B31001-5.0-opt
This commit is contained in:
unknown
2007-09-14 19:04:47 +03:00
parent 2ab4e3d117 ad496be063
commit 4d8ec62d1a
3 changed files with 127 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

97
mysql-test/r/innodb_mysql.result
View File

@ -1114,4 +1114,101 @@ c b
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

23
mysql-test/t/innodb_mysql.test
View File

@ -937,4 +937,27 @@ SELECT c,b FROM t1 GROUP BY c,b;
DROP TABLE t1;
#
# Bug #31001: ORDER BY DESC in InnoDB not working
#
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);
#The two queries below should produce different results, but they don't.
query_vertical EXPLAIN SELECT * FROM t1 WHERE b=2 ORDER BY a ASC;
SELECT * FROM t1 WHERE b=2 ORDER BY a ASC;
query_vertical EXPLAIN SELECT * FROM t1 WHERE b=2 ORDER BY a DESC;
SELECT * FROM t1 WHERE b=2 ORDER BY a DESC;
query_vertical EXPLAIN SELECT * FROM t1 ORDER BY b ASC, a ASC;
SELECT * FROM t1 ORDER BY b ASC, a ASC;
query_vertical EXPLAIN SELECT * FROM t1 ORDER BY b DESC, a DESC;
SELECT * FROM t1 ORDER BY b DESC, a DESC;
query_vertical EXPLAIN SELECT * FROM t1 ORDER BY b ASC, a DESC;
SELECT * FROM t1 ORDER BY b ASC, a DESC;
query_vertical EXPLAIN SELECT * FROM t1 ORDER BY b DESC, a ASC;
SELECT * FROM t1 ORDER BY b DESC, a ASC;
DROP TABLE t1;
--echo End of 5.0 tests