# 如何给按条件分组的查询设置默认值

**URL:** <https://discuss.elastic.co/t/topic/284102>\
**Category:** 中文提问与讨论\
**Created:** [September 13, 2021, 3:59pm UTC](https://discuss.elastic.co/t/topic/284102 "2021-09-13T15:59:19Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![xxm404](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/xxm404/32/94506_2.png) [@xxm404](https://discuss.elastic.co/u/xxm404)\
**Post date:** [September 13, 2021, 3:59pm UTC](https://discuss.elastic.co/t/topic/284102/1 "2021-09-13T15:59:19Z")

</div>

我想使用 ELK 分析 Nginx 日志，统计每个接口的 Apdex 积分，所以我需要计算不同耗时区间内的请求数，但我发现某些接口在特定耗时区间请求数为 0，在 es 的查询结果中会显示为没有结果，这导致我无法进行后续的计算，请问我该如何解决这个问题，或者说有没有其他方法来计算接口的 Apdex 积分  
我的查询大致如下：

```auto
// 请求总数
logname:"access_log" AND fields.tagname:"service-online" AND http_status:(<400) AND request:"/api/moduleName*"
// 200ms 内请求数
logname: "access_log" AND fields.tagname: "service-online" AND http_status:(<400) AND req_time:(<=0.2) AND request:"/api/moduleName*"
// 200ms 到 1s 内的请求数
logname: "access_log" AND fields.tagname: "service-online" AND http_status:(<400) AND req_time:(>0.2 && <1) AND request:"/api/moduleName*"

```

得到的表格如下

 ![image](https://us1.discourse-cdn.com/elastic/original/3X/2/9/29b587f19417f0b750e06b5b48e2319f45d26ac8.png)

---

<div class="post-metadata">

**Author:** ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)\
**Post date:** [October 11, 2021, 4:00pm UTC](https://discuss.elastic.co/t/topic/284102/2 "2021-10-11T16:00:15Z")

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