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Merge mysql.com:/usr/home/bar/mysql-4.1.b12829

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into  mysql.com:/usr/home/bar/mysql-5.0


mysql-test/r/func_gconcat.result:
  Auto merged
mysql-test/t/func_gconcat.test:
  Auto merged
sql/item_sum.cc:
  Auto merged
This commit is contained in:
unknown
2005-09-07 14:57:27 +05:00
parent 44b35dbb0e 44e289b451
commit b2c770799c
3 changed files with 20 additions and 0 deletions
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9
mysql-test/r/func_gconcat.result
View File

@ -469,6 +469,15 @@ select collation(group_concat(a,b)) from t1;
ERROR HY000: Illegal mix of collations (cp1250_general_ci,IMPLICIT) and (koi8r_general_ci,IMPLICIT) for operation 'group_concat'
drop table t1;
drop table t2;
CREATE TABLE t1 (a CHAR(10) CHARACTER SET cp850);
INSERT INTO t1 VALUES ('<27>');
SELECT a FROM t1;
a
<EFBFBD>
SELECT GROUP_CONCAT(a) FROM t1;
GROUP_CONCAT(a)
<EFBFBD>
DROP TABLE t1;
CREATE TABLE t1 (id int);
SELECT GROUP_CONCAT(id) AS gc FROM t1 HAVING gc IS NULL;
gc

10
mysql-test/t/func_gconcat.test
View File

@ -281,6 +281,16 @@ select collation(group_concat(a,b)) from t1;
drop table t1;
drop table t2;
#
# Bug #12829
# Cannot convert the charset of a GROUP_CONCAT result
#
CREATE TABLE t1 (a CHAR(10) CHARACTER SET cp850);
INSERT INTO t1 VALUES ('<27>');
SELECT a FROM t1;
SELECT GROUP_CONCAT(a) FROM t1;
DROP TABLE t1;
#
# bug #7769: group_concat returning null is checked in having
#

1
sql/item_sum.cc
View File

@ -3001,6 +3001,7 @@ Item_func_group_concat::fix_fields(THD *thd, Item **ref)
args, arg_count, MY_COLL_ALLOW_CONV))
return 1;
result.set_charset(collation.collation);
result_field= 0;
null_value= 1;
thd->allow_sum_func= 1;