database/mariadb
1
0
Fork 0
mirror of https://github.com/MariaDB/server.git synced 2025-09-03 20:43:11 +03:00
Code Activity

merged 5.0-bugteam to 5.1-bugteam

Browse Source
This commit is contained in:
Georgi Kodinov
2008-08-19 15:21:18 +03:00
parent 59ac54214b 4b2dd02552
commit 967586934c
3 changed files with 1 additions and 41 deletions
Download Patch File Download Diff File Expand all files Collapse all files

25
mysql-test/r/group_min_max.result
View File

@@ -2372,28 +2372,3 @@ a MIN(b) MAX(b) AVG(b)
2 1 3 2.0000
1 1 3 2.0000
DROP TABLE t1;
create table t1 (a int, b int, primary key (a,b), key `index` (a,b)) engine=MyISAM;
insert into t1 (a,b) values (0,0),(0,1),(0,2),(0,3),(0,4),(0,5),(0,6),(0,7),
(0,8),(0,9),(0,10),(0,11);
insert into t1 (a,b) select a, max(b)+1 from t1 where a = 0 group by a;
select * from t1;
a b
0 0
0 1
0 2
0 3
0 4
0 5
0 6
0 7
0 8
0 9
0 10
0 11
0 12
explain extended select sql_buffer_result a, max(b)+1 from t1 where a = 0 group by a;
id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE t1 range PRIMARY,index PRIMARY 4 NULL 6 83.33 Using where; Using index for group-by; Using temporary
Warnings:
Note 1003 select sql_buffer_result `test`.`t1`.`a` AS `a`,(max(`test`.`t1`.`b`) + 1) AS `max(b)+1` from `test`.`t1` where (`test`.`t1`.`a` = 0) group by `test`.`t1`.`a`
drop table t1;

12
mysql-test/t/group_min_max.test
View File

@@ -942,15 +942,3 @@ SELECT a, MIN(b), MAX(b), AVG(b) FROM t1 GROUP BY a ORDER BY a DESC;
SELECT a, MIN(b), MAX(b), AVG(b) FROM t1 GROUP BY a ORDER BY a DESC;
DROP TABLE t1;
#
# Bug#38195: Incorrect handling of aggregate functions when loose index scan is
# used causes server crash.
#
create table t1 (a int, b int, primary key (a,b), key `index` (a,b)) engine=MyISAM;
insert into t1 (a,b) values (0,0),(0,1),(0,2),(0,3),(0,4),(0,5),(0,6),(0,7),
(0,8),(0,9),(0,10),(0,11);
insert into t1 (a,b) select a, max(b)+1 from t1 where a = 0 group by a;
select * from t1;
explain extended select sql_buffer_result a, max(b)+1 from t1 where a = 0 group by a;
drop table t1;