mysql>
mysql> CREATE TABLE tmp SELECT IFNULL(1,'test') AS test;
Query OK, 1 row affected (0.25 sec)
Records: 1 Duplicates: 0 Warnings: 0
mysql>
mysql> DESCRIBE tmp;
+-------+--------------+------+-----+---------+-------+
| Field | Type | Null | Key | Default | Extra |
+-------+--------------+------+-----+---------+-------+
| test | varbinary(4) | NO | | | |
+-------+--------------+------+-----+---------+-------+
1 row in set (0.14 sec)
mysql>
mysql> select * from tmp;
+------+
| test |
+------+
| 1 |
+------+
1 row in set (0.02 sec)
mysql>
mysql> drop table tmp;
Query OK, 0 rows affected (0.01 sec)
mysql>