Criteria criteria = new Criteria();
criteria.where(MultiPkPeer.PK1, (Object) null, Criteria.NOT_EQUAL);
MultiPkPeer.doDelete(criteria);
// do test
MultiPk mpk = new MultiPk();
mpk.setPrimaryKey("Svarchar:N5:Schar:N3:N-42:N3:N4:N5:N6:D9999999999:");
mpk.save();
// TODO assert saved values
}