# How to use"null\_value" in mapping

**URL:** <https://discuss.elastic.co/t/how-to-use-null-value-in-mapping/95307>\
**Category:** Elasticsearch\
**Created:** [August 1, 2017, 10:02am UTC](https://discuss.elastic.co/t/how-to-use-null-value-in-mapping/95307 "2017-08-01T10:02:57Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![begemot](https://avatars.discourse-cdn.com/v4/letter/b/9de053/32.png) [@begemot](https://discuss.elastic.co/u/begemot)\
**Post date:** [August 1, 2017, 10:02am UTC](https://discuss.elastic.co/t/how-to-use-null-value-in-mapping/95307/1 "2017-08-01T10:02:57Z")

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How to use "null\_value" in mapping for all data types?

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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:** [August 29, 2017, 10:03am UTC](https://discuss.elastic.co/t/how-to-use-null-value-in-mapping/95307/2 "2017-08-29T10:03:13Z")

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