任何人都可以给我一个关于如何使用window.frequent的例子吗?例如,我写了一个测试,
"define stream cseEventStream (symbol string, price float, time long);" +
"" +
"@info(name = 'query1') " +
"from cseEventStream[700 > price]#window.frequent(3, symbol) " +
"select symbol, price, time " +
"insert expired events into outputStream;";
但是从 outputStream 中,我找不到规则。
谢谢。