[pig] Autocomplete aliases

business = 
    LOAD '/user/hive/warehouse/business/yelp_academic_dataset_business_clean.json'
    AS (business_id: CHARARRAY, categories: CHARARRAY, city: CHARARRAY, full_address: CHARARRAY,
        latitude: FLOAT, longitude: FLOAT, name: CHARARRAY, neighborhoods: CHARARRAY,
        open: BOOLEAN, review_count: INT, stars: FLOAT, state: CHARARRAY, type: CHARARRAY);


business_group =
  GROUP business
  BY city;


business_by_city =
  FOREACH business_group
  GENERATE group, COUNT(business) AS ct;


top = 
    ORDER business_by_city
    BY ct DESC;


top_25 = LIMIT top 25;


DUMP top_25;