如何使用 Azure Kusto 输出多个变量？

Question

我对 Azure Kusto 查询语言还很陌生。我正在尝试输出 2 个变量。这必须非常简单，我只是不知道怎么做。我试过使用数据表、制作系列、打印等功能都无济于事。这是我当前的代码：

let allrequests = requests | project itemCount, resultCode, success, timestamp | where timestamp > now(-1h) and timestamp < now(-5m);

let requestcount = allrequests | summarize sum(itemCount);

let errorcount = allrequests | where toint(resultCode) >= 400 and toint(resultCode) <= 499 | summarize sum(itemCount);

requestcount; errorcount

Answer 1

我明白了。您可以使用 union 运算符连接结果。

let allrequests = requests | project itemCount, resultCode, success, timestamp | where timestamp > now(-1h) and timestamp < now(-5m);

let requestcount = allrequests | summarize sum(itemCount);

let errorcount = allrequests | where toint(resultCode) >= 400 and toint(resultCode) <= 499 | summarize sum(itemCount);

errorcount | union requestcount

Answer 2

使用 union 是一种方法，但如果您希望它们在一行中，请使用 print 语句 (docs):

let requestcount = requests
 | summarize sum(itemCount);
let errorcount = exceptions
 | summarize count();
print requests = toscalar(requestcount), exceptions = toscalar(errorcount)