A test case for Bug#9442 "Set parameter make query fail if column

character set is UCS2".
The bug is no longer repeatable.

mysql-test/r/ps.result

@@ -641,3 +641,22 @@ execute stmt using @a, @b;
 ?=?
 1
 deallocate prepare stmt;
+create table t1 (utext varchar(20) character set ucs2);
+insert into t1 values ("lily");
+insert into t1 values ("river");
+prepare stmt from 'select utext from t1 where utext like ?';
+set @param1='%%';
+execute stmt using @param1;
+utext
+lily
+river
+execute stmt using @param1;
+utext
+lily
+river
+select utext from t1 where utext like '%%';
+utext
+lily
+river
+drop table t1;
+deallocate prepare stmt;

mysql-test/t/ps.test

@@ -666,3 +666,16 @@ set @a='CHRISTINE           ';
 set @b='CHRISTINE';
 execute stmt using @a, @b;
 deallocate prepare stmt;
+#
+# Bug#9442 Set parameter make query fail if column character set is UCS2
+#
+create table t1 (utext varchar(20) character set ucs2);
+insert into t1 values ("lily");
+insert into t1 values ("river");
+prepare stmt from 'select utext from t1 where utext like ?';
+set @param1='%%';
+execute stmt using @param1;
+execute stmt using @param1;
+select utext from t1 where utext like '%%';
+drop table t1;
+deallocate prepare stmt;