text: from mpp.models import SQLTestCase
  from mpp.models import SQLConcurrencyTestCase
  
  class PxfHiveCollectionTypes(SQLConcurrencyTestCase):
      """
      @db_name pxfautomation
      @concurrency 1
      @gpdiff True
      """
      sql_dir = 'sql'
      ans_dir = 'expected'
      out_dir = 'output'
  