database/mariadb
1
0
Fork 0
mirror of https://github.com/MariaDB/server.git synced 2025-07-30 16:24:05 +03:00
Code Activity

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

Browse Source 
into  linux-st28.site:/home/martin/mysql/src/bugx/my50-bugx


mysql-test/t/innodb_mysql.test:
  Auto merged
sql/sql_select.cc:
  Auto merged
mysql-test/r/innodb_mysql.result:
  SCCS merged
This commit is contained in:
unknown
2007-08-29 10:49:19 +02:00
parent af8598bf4d 2368664681
commit bdf19dc73b
7 changed files with 168 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

27
mysql-test/t/group_by.test
View File

@ -788,3 +788,30 @@ select * from t1 group by f1, f2;
select t1.f1,t.* from t1, t1 t group by 1;
drop table t1;
SET SQL_MODE = '';
#
# Bug#30596: GROUP BY optimization gives wrong result order
#
CREATE TABLE t1(
a INT,
b INT NOT NULL,
c INT NOT NULL,
d INT,
UNIQUE KEY (c,b)
);
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;
SELECT c,b,d FROM t1 GROUP BY c,b,d;
EXPLAIN SELECT c,b,d FROM t1 GROUP BY c,b,d ORDER BY NULL;
SELECT c,b,d FROM t1 GROUP BY c,b,d ORDER BY NULL;
EXPLAIN SELECT c,b,d FROM t1 ORDER BY c,b,d;
SELECT c,b,d FROM t1 ORDER BY c,b,d;
EXPLAIN SELECT c,b,d FROM t1 GROUP BY c,b;
SELECT c,b,d FROM t1 GROUP BY c,b;
EXPLAIN SELECT c,b FROM t1 GROUP BY c,b;
SELECT c,b FROM t1 GROUP BY c,b;
DROP TABLE t1;

27
mysql-test/t/innodb_mysql.test
View File

@ -910,4 +910,31 @@ ROLLBACK;
ROLLBACK;
DROP TABLE t1;
#
# Bug#30596: GROUP BY optimization gives wrong result order
#
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;
SELECT c,b,d FROM t1 GROUP BY c,b,d;
EXPLAIN SELECT c,b,d FROM t1 GROUP BY c,b,d ORDER BY NULL;
SELECT c,b,d FROM t1 GROUP BY c,b,d ORDER BY NULL;
EXPLAIN SELECT c,b,d FROM t1 ORDER BY c,b,d;
SELECT c,b,d FROM t1 ORDER BY c,b,d;
EXPLAIN SELECT c,b,d FROM t1 GROUP BY c,b;
SELECT c,b,d FROM t1 GROUP BY c,b;
EXPLAIN SELECT c,b FROM t1 GROUP BY c,b;
SELECT c,b FROM t1 GROUP BY c,b;
DROP TABLE t1;
--echo End of 5.0 tests