写了这么一些代码:
DataStream<Order> orderA = env.fromCollection(Arrays.asList( new Order(1L, "beer", 3), new Order(3L, "rubber", 2), new Order(1L, "diaper", 4) ));
intellij提示:
createTemporaryView is deprecated
解决方案:
tEnv.createTemporaryView("orderA", orderA, "user,product,amount");
改成:
tEnv.createTemporaryView("orderA", orderA);