Teiid is handling MySQL5.0 returning DAYNAME as a blob

SELECT IntKey, DAYNAME(datevalue) FROM BQT1.SmallA ORDER BY IntKey LIMIT 10

Fails with:
Caught SQLException:
Invalid conversion from type class org.teiid.core.types.BlobType with value 'javax.sql.rowset.serial.SerialBlob@6482112e' to type class java.lang.String

Dev indicaters, "The driver returns the bytes, which we treat as a blob. We have an explicit workaround in the translator for the char function, but I've never seen this outside of the char function. There may be an issue with the http://dev.mysql.com/doc/refman/5.5/en/server-system-variables.html#sysvar_lc_time_names setting also that could influence how the value is returned."

The server setting is en_US.