Merge epotemkin@bk-internal.mysql.com:/home/bk/mysql-5.0-opt

into  moonbone.local:/work/autopush/12185-bug-5.0-opt-mysql

1 files changed, 10 insertions, 2 deletions

diff --git a/mysql-test/t/union.test b/mysql-test/t/union.test
index 7dfe4ac482f..fdb5f968589 100644
--- a/mysql-test/t/union.test
+++ b/mysql-test/t/union.test
@@ -390,8 +390,8 @@ create table t1 SELECT da from t2 UNION select dt from t2;
 select * from t1;
 show create table t1;
 drop table t1;
-create table t1 SELECT dt from t2 UNION select sc from t2;
-select * from t1;
+create table t1 SELECT dt from t2 UNION select trim(sc) from t2;
+select trim(dt) from t1;
 show create table t1;
 drop table t1;
 create table t1 SELECT dt from t2 UNION select sv from t2;
@@ -795,6 +795,14 @@ drop table t1;
 # End of 4.1 tests
 
 #
+# Bug#12185: Data type aggregation may produce wrong result
+#
+create table t1(f1 char(1), f2 char(5), f3 binary(1), f4 binary(5), f5 timestamp, f6 varchar(1) character set utf8 collate utf8_general_ci, f7 text);
+create table t2 as select *, f6 as f8 from t1 union select *, f7 from t1;
+show create table t2;
+drop table t1, t2;
+
+#
 # Bug#18175: Union select over 129 tables with a sum function fails.
 #
 (select avg(1)) union (select avg(1)) union (select avg(1)) union