Kusto设置查询的变量输出

问题描述

试图定义一个变量来保存查询的输出，然后从中查询跟踪。像这样：

let start=datetime("2020-10-07T15:01:00.000Z");
let end=datetime("2020-10-09T13:20:00.000Z");
let timeGrain=1h;
let dataset = dependencies
| where timestamp > start and timestamp < end and ['type'] == 'HTTP' and success == false
| where name contains "mgw/capture"
| project operation_ParentId
traces
| join kind=inner(dataset) on operation_ParentId

这可能吗？

解决方法

是的，有可能，而且您甚至几乎正确了，您只是在相关;语句的末尾缺少了let。

尝试一下：

let start=datetime("2020-10-07T15:01:00.000Z");
let end=datetime("2020-10-09T13:20:00.000Z");
let timeGrain=1h;
let dataset = dependencies
| where timestamp > start and timestamp < end and ['type'] == 'HTTP' and success == false
| where name contains "mgw/capture"
| project operation_ParentId;
traces
| join kind=inner(dataset) on operation_ParentId