12-to-13.xml

<?xml version="1.0"?>
<schema version="0.3">
<sql>
    <query platform="mysql|mysqlt">INSERT INTO dcm_module_list (name,description,file) VALUES ('custom_attribute_type_display', 'Display a custom attribute type', 'ona/custom_attribute.inc.php') on duplicate key update name='custom_attribute_type_display'</query> 
</sql>
</schema>