alter table hotlunch_menu_items change bc_guideline_rating bc_guideline_rating enum('','N/A','Sometimes','Most') default '';
alter table hotlunch_menu_items change menu_group menu_group enum('','A','B','C','D','E','F','G','H','I','J','K','L','M') default '';
alter table supplier_products change bc_guideline_rating bc_guideline_rating enum('','N/A','Sometimes','Most') default '';