你好,我對Hive很新,並且正在學習Hive的WINDOWING功能。我遇到了一個問題。 我試圖找到的最低收盤價爲每個股票代碼(每個股票有22條記錄,我想找到最低) 我寫了一個查詢: SELECT ticker, close FROM
(SELECT ticker, close, RANK() OVER (PARTITION BY ticker) AS rank FROM stocks)
斜交數據分發我在弗林克此Java代碼: env.setParallelism(6);
//Read from Kafka topic with 12 partitions
DataStream<String> line = env.addSource(myConsumer);
//Filter half of the records
DataStream<Tuple2<String,