# How to search documents containing empty array?

**URL:** <https://discuss.elastic.co/t/how-to-search-documents-containing-empty-array/84596>\
**Category:** Elasticsearch\
**Created:** [May 4, 2017, 4:52pm UTC](https://discuss.elastic.co/t/how-to-search-documents-containing-empty-array/84596 "2017-05-04T16:52:08Z")\
**Posts on this page:** 2\
**Page:** 1

<div class="post-metadata">

**Author:** ![Olexij\_Tkatchenko1](https://avatars.discourse-cdn.com/v4/letter/o/b5a626/32.png) [@Olexij\_Tkatchenko1](https://discuss.elastic.co/u/Olexij_Tkatchenko1)\
**Post date:** [May 4, 2017, 4:52pm UTC](https://discuss.elastic.co/t/how-to-search-documents-containing-empty-array/84596/1 "2017-05-04T16:52:08Z")

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I have documents like

```
"doc" : {
 "id" : 1,
  "comments": ["my comment"]
},

"doc" : {
 "id" : 2,
  "comments": []
}

```

How to search for documents which DO NOT CONTAIN any comments?

---

<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:** [June 1, 2017, 5:00pm UTC](https://discuss.elastic.co/t/how-to-search-documents-containing-empty-array/84596/2 "2017-06-01T17:00:46Z")

</div>

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