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BUG
correct wrong code in group_concat
This commit is contained in:
wax@kishkin.ru
2003-05-31 15:44:19 +06:00
parent 666d46b6ee
commit a2e9bbf2eb
6 changed files with 111 additions and 54 deletions
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20
mysql-test/r/func_gconcat.result
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@ -154,8 +154,26 @@ Warning 1258 1 line(s) was(were) cut by group_concat()
show warnings;
Level Code Message
Warning 1258 1 line(s) was(were) cut by group_concat()
set group_concat_max_len = 1024;
drop table if exists T_URL;
Warnings:
Note 1051 Unknown table 'T_URL'
create table T_URL ( URL_ID int(11), URL varchar(80));
drop table if exists T_REQUEST;
Warnings:
Note 1051 Unknown table 'T_REQUEST'
create table T_REQUEST ( REQ_ID int(11), URL_ID int(11));
insert into T_URL values (4,'www.host.com'), (5,'www.google.com'),(5,'www.help.com');
insert into T_REQUEST values (1,4), (5,4), (5,5);
select REQ_ID, Group_Concat(URL) as URL from T_URL, T_REQUEST where
T_REQUEST.URL_ID = T_URL.URL_ID group by REQ_ID;
REQ_ID URL
1 www.host.com
5 www.host.com,www.google.com,www.help.com
drop table T_URL;
drop table T_REQUEST;
select group_concat(sum(a)) from t1 group by grp;
Invalid use of group function
select grp,group_concat(c order by 2) from t1 group by grp;
Unknown column '2' in 'group statement'
drop table if exists t1;
drop table t1;