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Make sure that warning message when GROUP_CONCAT() cuts values is also

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updated with the correct number of lines. (Bug #8681)
This commit is contained in:
jimw@mysql.com 2005-02-23 17:58:20 -08:00
parent a50be4d42b
commit 624f855e94
3 changed files with 45 additions and 8 deletions
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19
mysql-test/r/join_outer.result
View File

@ -816,3 +816,22 @@ id text_id text_data
1 0 0-SV
2 10 10-SV
DROP TABLE invoice, text_table;
set group_concat_max_len=5;
create table t1 (a int, b varchar(20));
create table t2 (a int, c varchar(20));
insert into t1 values (1,"aaaaaaaaaa"),(2,"bbbbbbbbbb");
insert into t2 values (1,"cccccccccc"),(2,"dddddddddd");
select group_concat(t1.b,t2.c) from t1 left join t2 using(a) group by t1.a;
group_concat(t1.b,t2.c)
aaaaa
bbbbb
Warnings:
Warning 1260 2 line(s) were cut by GROUP_CONCAT()
select group_concat(t1.b,t2.c) from t1 inner join t2 using(a) group by t1.a;
group_concat(t1.b,t2.c)
aaaaa
bbbbb
Warnings:
Warning 1260 2 line(s) were cut by GROUP_CONCAT()
drop table t1, t2;
set group_concat_max_len=default;

11
mysql-test/t/join_outer.test
View File

@ -582,3 +582,14 @@ SELECT invoice.id, invoice.text_id, text_table.text_data
WHERE (invoice.id LIKE '%' OR text_table.text_data LIKE '%');
DROP TABLE invoice, text_table;
# Bug #8681: Bad warning message when group_concat() exceeds max length
set group_concat_max_len=5;
create table t1 (a int, b varchar(20));
create table t2 (a int, c varchar(20));
insert into t1 values (1,"aaaaaaaaaa"),(2,"bbbbbbbbbb");
insert into t2 values (1,"cccccccccc"),(2,"dddddddddd");
select group_concat(t1.b,t2.c) from t1 left join t2 using(a) group by t1.a;
select group_concat(t1.b,t2.c) from t1 inner join t2 using(a) group by t1.a;
drop table t1, t2;
set group_concat_max_len=default;

23
sql/item_sum.cc
View File

@ -1787,16 +1787,26 @@ Item_func_group_concat::Item_func_group_concat(THD *thd,
void Item_func_group_concat::cleanup()
{
THD *thd= current_thd;
DBUG_ENTER("Item_func_group_concat::cleanup");
Item_sum::cleanup();
/* Adjust warning message to include total number of cut values */
if (warning)
{
char warn_buff[MYSQL_ERRMSG_SIZE];
sprintf(warn_buff, ER(ER_CUT_VALUE_GROUP_CONCAT), count_cut_values);
warning->set_msg(thd, warn_buff);
warning= 0;
}
/*
Free table and tree if they belong to this item (if item have not pointer
to original item from which was made copy => it own its objects )
*/
if (!original)
{
THD *thd= current_thd;
if (table)
{
free_tmp_table(thd, table);
@ -1809,13 +1819,6 @@ void Item_func_group_concat::cleanup()
tree_mode= 0;
delete_tree(tree);
}
if (warning)
{
char warn_buff[MYSQL_ERRMSG_SIZE];
sprintf(warn_buff, ER(ER_CUT_VALUE_GROUP_CONCAT), count_cut_values);
warning->set_msg(thd, warn_buff);
warning= 0;
}
}
DBUG_VOID_RETURN;
}
@ -2076,6 +2079,10 @@ String* Item_func_group_concat::val_str(String* str)
if (null_value)
return 0;
if (count_cut_values && !warning)
/*
ER_CUT_VALUE_GROUP_CONCAT needs an argument, but this gets set in
Item_func_group_concat::cleanup().
*/
warning= push_warning(item_thd, MYSQL_ERROR::WARN_LEVEL_WARN,
ER_CUT_VALUE_GROUP_CONCAT,
ER(ER_CUT_VALUE_GROUP_CONCAT));