# Comparing two indices in elasticsearch

**URL:** https://discuss.elastic.co/t/comparing-two-indices-in-elasticsearch/206038
**Category:** Elasticsearch
**Created:** [October 31, 2019, 12:41pm UTC](https://discuss.elastic.co/t/comparing-two-indices-in-elasticsearch/206038 "2019-10-31T12:41:27Z")
**Posts on this page:** 3
**Page:** 1

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### Author: ![Vikash\_Singh1](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/vikash_singh1/32/42119_2.png) [@Vikash\_Singh1](https://discuss.elastic.co/u/Vikash_Singh1)
#### Post date: [October 31, 2019, 12:41pm UTC](https://discuss.elastic.co/t/comparing-two-indices-in-elasticsearch/206038/1 "2019-10-31T12:41:28Z")

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Hey Is it possible in elasticsearch to compare fields from two documents????

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### Author: ![Christian\_Dahlqvist](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/christian_dahlqvist/32/4617_2.png) [@Christian\_Dahlqvist](https://discuss.elastic.co/u/Christian_Dahlqvist)
#### Post date: [November 1, 2019, 7:39am UTC](https://discuss.elastic.co/t/comparing-two-indices-in-elasticsearch/206038/2 "2019-11-01T07:39:55Z")

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No, that is a type of join, which Elasticsearch does not support.

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### Author: ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)
#### Post date: [November 29, 2019, 7:49am UTC](https://discuss.elastic.co/t/comparing-two-indices-in-elasticsearch/206038/3 "2019-11-29T07:49:25Z")

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