write [%0->$$17, %0->$$18, %0->$$19, %0->$$20]
-- SINK_WRITE  |PARTITIONED|
  exchange 
  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
    union ($$8, $$16, $$17) ($$3, $$11, $$18) ($$4, $$12, $$19) ($$2, $$10, $$20)
    -- UNION_ALL  |PARTITIONED|
      exchange 
      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
        project ([$$8, $$3, $$4, $$2])
        -- STREAM_PROJECT  |PARTITIONED|
          assign [$$8] <- [function-call: hive:org.apache.hadoop.hive.ql.udf.UDFOPMultiply, Args:[2, %0->$$1]]
          -- ASSIGN  |PARTITIONED|
            select (function-call: algebricks:gt, Args:[function-call: hive:org.apache.hadoop.hive.ql.udf.UDFOPMultiply, Args:[%0->$$1, 2], 50])
            -- STREAM_SELECT  |PARTITIONED|
              exchange 
              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                data-scan []<-[$$1, $$2, $$3, $$4, $$5, $$6, $$7] <- default.supplier
                -- DATASOURCE_SCAN  |PARTITIONED|
                  exchange 
                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                    empty-tuple-source
                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|
      exchange 
      -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
        project ([$$16, $$11, $$12, $$10])
        -- STREAM_PROJECT  |PARTITIONED|
          assign [$$16] <- [function-call: hive:org.apache.hadoop.hive.ql.udf.UDFOPMultiply, Args:[2, %0->$$9]]
          -- ASSIGN  |PARTITIONED|
            select (function-call: algebricks:lt, Args:[function-call: hive:org.apache.hadoop.hive.ql.udf.UDFOPMultiply, Args:[%0->$$9, 2], 20])
            -- STREAM_SELECT  |PARTITIONED|
              exchange 
              -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                data-scan []<-[$$9, $$10, $$11, $$12, $$13, $$14, $$15] <- default.supplier
                -- DATASOURCE_SCAN  |PARTITIONED|
                  exchange 
                  -- ONE_TO_ONE_EXCHANGE  |PARTITIONED|
                    empty-tuple-source
                    -- EMPTY_TUPLE_SOURCE  |PARTITIONED|