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Fix for bug#18281 group_concat changes charset to binary

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skip charset aggregation for order columns
This commit is contained in:
unknown
2006-04-07 13:19:31 +05:00
parent db7a88a2f4
commit 2f2607faef
3 changed files with 17 additions and 1 deletions
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5
mysql-test/r/func_gconcat.result
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@ -626,3 +626,8 @@ latin1
latin1 latin1
drop table t1, t2, t3; drop table t1, t2, t3;
set names default; set names default;
create table t1 (c1 varchar(10), c2 int);
select charset(group_concat(c1 order by c2)) from t1;
charset(group_concat(c1 order by c2))
latin1
drop table t1;

8
mysql-test/t/func_gconcat.test
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@ -414,3 +414,11 @@ select charset(a) from t2;
select charset(a) from t3; select charset(a) from t3;
drop table t1, t2, t3; drop table t1, t2, t3;
set names default; set names default;
#
# Bug#18281 group_concat changes charset to binary
#
create table t1 (c1 varchar(10), c2 int);
select charset(group_concat(c1 order by c2)) from t1;
drop table t1;

5
sql/item_sum.cc
View File

@ -3226,7 +3226,10 @@ Item_func_group_concat::fix_fields(THD *thd, Item **ref)
} }
if (agg_item_charsets(collation, func_name(), if (agg_item_charsets(collation, func_name(),
args, arg_count, MY_COLL_ALLOW_CONV)) args,
/* skip charset aggregation for order columns */
arg_count - arg_count_order,
MY_COLL_ALLOW_CONV))
return 1; return 1;
result.set_charset(collation.collation); result.set_charset(collation.collation);