# Pipeline aggregation with filtering

**URL:** <https://discuss.elastic.co/t/pipeline-aggregation-with-filtering/195710>\
**Category:** Elasticsearch\
**Created:** [August 19, 2019, 9:45am UTC](https://discuss.elastic.co/t/pipeline-aggregation-with-filtering/195710 "2019-08-19T09:45:43Z")\
**Posts on this page:** 2\
**Page:** 1

<div class="post-metadata">

**Author:** ![AdamBoi](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/adamboi/32/31508_2.png) [@AdamBoi](https://discuss.elastic.co/u/AdamBoi)\
**Post date:** [August 19, 2019, 9:45am UTC](https://discuss.elastic.co/t/pipeline-aggregation-with-filtering/195710/1 "2019-08-19T09:45:44Z")

</div>

Setup: Elasticsearch **v.5.6**  
Document field called **availabilities** is the one to perform aggregation on.  
The desired aggregation is **departure\_dates**.  
Departure date can be calculated as follows: _availabilities.arrival\_date + availabilities.nights_.  
I would like to apply **mnd** field filter to the aggregation also.

Document example:

```
{
 "availabilities": [
  {
    "nights": 7,
    "arrival_dates": [
    "2019-08-24",
    "2019-08-25"
  ],
  "mnd": [
    201908
  ]
},
{
  "nights": 5,
  "arrival_dates": [
    "2019-08-25"
  ],
  "mnd": [
    201908
  ]
},
{
  "nights": 10,
  "arrival_dates": [
    "2019-09-05"
  ],
  "mnd": [
    201909
  ] 
}
]
}
```

---

<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:** [September 16, 2019, 9:45am UTC](https://discuss.elastic.co/t/pipeline-aggregation-with-filtering/195710/2 "2019-09-16T09:45:45Z")

</div>

Closed on September 16, 2019, 9:45am UTC

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