ALTER TABLE ad_zones ADD COLUMN page VARCHAR(30) NOT NULL DEFAULT 'all' AFTER description;
UPDATE ad_zones SET page = 'all' WHERE slug IN ('header_banner', 'footer_banner', 'popup', 'mobile_sticky');
UPDATE ad_zones SET page = 'watch' WHERE slug IN ('before_player', 'player_overlay', 'after_player', 'sidebar');
UPDATE ad_zones SET page = 'listing' WHERE slug IN ('listing_between', 'listing_bottom');
