# Query to compare two fields within a doc?

**URL:** <https://discuss.elastic.co/t/query-to-compare-two-fields-within-a-doc/1971>\
**Category:** Elasticsearch\
**Created:** [June 4, 2015, 10:19pm UTC](https://discuss.elastic.co/t/query-to-compare-two-fields-within-a-doc/1971 "2015-06-04T22:19:17Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![elastic\_paul](https://avatars.discourse-cdn.com/v4/letter/e/ebca7d/32.png) [@elastic\_paul](https://discuss.elastic.co/u/elastic_paul)\
**Post date:** [June 4, 2015, 10:19pm UTC](https://discuss.elastic.co/t/query-to-compare-two-fields-within-a-doc/1971/1 "2015-06-04T22:19:17Z")

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Hi,  
Can I compare two fields in a doc and show all results?

eg;  
show all docs where field\_1 == field\_2

Any ideas?

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**Author:** ![Jason\_Wee](https://avatars.discourse-cdn.com/v4/letter/j/7ea924/32.png) [@Jason\_Wee](https://discuss.elastic.co/u/Jason_Wee)\
**Post date:** [June 6, 2015, 9:56am UTC](https://discuss.elastic.co/t/query-to-compare-two-fields-within-a-doc/1971/2 "2015-06-06T09:56:30Z")

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you mean the value of two fields? if so, you can use filter with a script

```
doc[field_1].value == doc[field_2].value

```

hth

jason

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<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:** [July 6, 2017, 12:09am UTC](https://discuss.elastic.co/t/query-to-compare-two-fields-within-a-doc/1971/3 "2017-07-06T00:09:13Z")

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