# Doc Frequency of multiple fields in single query

**URL:** <https://discuss.elastic.co/t/doc-frequency-of-multiple-fields-in-single-query/65169>\
**Category:** Elasticsearch\
**Created:** [November 7, 2016, 6:37am UTC](https://discuss.elastic.co/t/doc-frequency-of-multiple-fields-in-single-query/65169 "2016-11-07T06:37:21Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![banu](https://avatars.discourse-cdn.com/v4/letter/b/2acd7d/32.png) [@banu](https://discuss.elastic.co/u/banu)\
**Post date:** [November 7, 2016, 6:37am UTC](https://discuss.elastic.co/t/doc-frequency-of-multiple-fields-in-single-query/65169/1 "2016-11-07T06:37:21Z")

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How to get Docfrequency of multiple fields in single query. If I query for user\_id and user\_address then it should return doc frequency of both based on the inquiry.

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**Author:** ![spinscale](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/spinscale/32/25011_2.png) [@spinscale](https://discuss.elastic.co/u/spinscale)\
**Post date:** [November 7, 2016, 2:07pm UTC](https://discuss.elastic.co/t/doc-frequency-of-multiple-fields-in-single-query/65169/2 "2016-11-07T14:07:13Z")

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Hey,

to get this kind of information you can use the [explain API](https://www.elastic.co/guide/en/elasticsearch/reference/5.0/search-explain.html) - however this is expensive and should not be used for every query.

--Alex

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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:** [December 5, 2016, 2:07pm UTC](https://discuss.elastic.co/t/doc-frequency-of-multiple-fields-in-single-query/65169/3 "2016-12-05T14:07:58Z")

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