Application Insights 分析查询

Question

什么等价于：

SELECT operation_Id, Min(timestamp)
FROM exceptions
WHERE timestamp >= '2017-01-01'
GROUP BY operation_Id

在 Azure Application Insights 分析平台上？

Answer 1

像这样使用summarize operator：

exceptions
| where timestamp >= datetime('2017-01-01')
| summarize min(timestamp) by operation_Id