KNN Syntax - Aster Analytics

SELECT * FROM KNN (
  ON (SELECT 1)
  PARTITION BY 1
  [ Domain ('host:port') ]
  [ Database ('db_name') ]
  [ UserID ('user_id') ]
  [ Password ('password') ]
  [ SSLSettings ('SSLsettings') ]
  [ SSLTrustStorePassword ('SSLtruststorepassword') ]
  TrainingTable ('training_table')
  TestTable ('test_table')
  K (k)
  ResponseColumn ('response_column')
  IDColumn ('test_id_column')
  DistanceFeatures ({ 'df_column' | 'df_column_range' }[,... ])
  [ VotingWeight (voting_weight) ]
  [ OutputTable ('output_table') ]
  [ CustomizedDistance ('jar', 'distance_class') ]
  [ ForceMapreduce
    ({'true'|'t'|'yes'|'y'|'1'|'false'|'f'|'no'|'n'|'0'}) ]
  [ PartitionBlockSize ('partition_block_size') ]
);