# Find documents in which fiel\_a=field\_b

**URL:** <https://discuss.elastic.co/t/find-documents-in-which-fiel-a-field-b/213464>\
**Category:** Elasticsearch\
**Created:** [December 31, 2019, 4:49pm UTC](https://discuss.elastic.co/t/find-documents-in-which-fiel-a-field-b/213464 "2019-12-31T16:49:27Z")\
**Posts on this page:** 2\
**Page:** 1

<div class="post-metadata">

**Author:** ![Hamed\_Jml](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/hamed_jml/32/55705_2.png) [@Hamed\_Jml](https://discuss.elastic.co/u/Hamed_Jml)\
**Post date:** [December 31, 2019, 4:49pm UTC](https://discuss.elastic.co/t/find-documents-in-which-fiel-a-field-b/213464/1 "2019-12-31T16:49:27Z")

</div>

Hi  
Is there any way to search for all documents that field\_a equals field\_b?  
For example first\_name=last\_name.

---

<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:** [January 28, 2020, 4:49pm UTC](https://discuss.elastic.co/t/find-documents-in-which-fiel-a-field-b/213464/2 "2020-01-28T16:49:33Z")

</div>

Closed on January 28, 2020, 4:49pm UTC

This topic was automatically closed 28 days after the last reply. New replies are no longer allowed.