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-rw-r--r--mysql-test/t/func_gconcat.test11
1 files changed, 11 insertions, 0 deletions
diff --git a/mysql-test/t/func_gconcat.test b/mysql-test/t/func_gconcat.test
index b24015ebb99..6f9b5399b7b 100644
--- a/mysql-test/t/func_gconcat.test
+++ b/mysql-test/t/func_gconcat.test
@@ -551,4 +551,15 @@ SELECT LENGTH( GROUP_CONCAT( a ) ) FROM t3 WHERE b = 3;
SET group_concat_max_len= DEFAULT;
DROP TABLE t1, t2, t3;
+#
+# Bug#29850: Wrong charset of the GROUP_CONCAT result when the select employs
+# a temporary table.
+#
+set names latin1;
+create table t1 (id int, name varchar(20)) DEFAULT CHARSET=utf8;
+insert into t1 (id, name) values (1, "óra");
+insert into t1 (id, name) values (2, "óra");
+select b.id, group_concat(b.name) from t1 a, t1 b group by b.id;
+drop table t1;
+
--echo End of 5.0 tests