# COUNT(DISTINCT field\_name) is returning null

**URL:** <https://discuss.elastic.co/t/count-distinct-field-name-is-returning-null/209148>\
**Category:** Elasticsearch\
**Created:** [November 23, 2019, 10:08am UTC](https://discuss.elastic.co/t/count-distinct-field-name-is-returning-null/209148 "2019-11-23T10:08:26Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![Eswari\_Kallakuri](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/eswari_kallakuri/32/48340_2.png) [@Eswari\_Kallakuri](https://discuss.elastic.co/u/Eswari_Kallakuri)\
**Post date:** [November 23, 2019, 10:08am UTC](https://discuss.elastic.co/t/count-distinct-field-name-is-returning-null/209148/1 "2019-11-23T10:08:27Z")

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In ElasticSearch 7.4.2 version, COUNT(DISTINCT field\_name) is returning null instead of 0. Canvas is showing below error

 ![4](https://us1.discourse-cdn.com/elastic/original/3X/8/8/8876978f98db6f168f8970d67df0458a62e4a9a7.png)

In ElasticSearch 7.3 version, COUNT(DISTINCT field\_name) is returning 0

 ![3](https://us1.discourse-cdn.com/elastic/original/3X/1/7/177dbda5980701bcca441bda2c6570139dd15c75.png)

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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:** [December 21, 2019, 10:08am UTC](https://discuss.elastic.co/t/count-distinct-field-name-is-returning-null/209148/2 "2019-12-21T10:08:27Z")

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Closed on December 21, 2019, 10:08am UTC

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