Enumeration Members
DEFAULT
DEFAULT: "default"
CATER_PRICE
CATER_PRICE: "price"
CATER_DISTANCE
CATER_DISTANCE: "distance"
CATER_TASTE_RATING
CATER_TASTE_RATING: "taste_rating"
CATER_OVERALL_RATING
CATER_OVERALL_RATING: "overall_rating"
CATER_SERVICE_RATING
CATER_SERVICE_RATING: "service_rating"
poi检索过滤条件：排序字段， IndustryType类型为CATER时的取值