# Update part of a document existing field **URL:** \ **Category:** Elasticsearch\ **Created:** [November 22, 2019, 6:38am UTC](https://discuss.elastic.co/t/update-part-of-a-document-existing-field/209017 "2019-11-22T06:38:53Z")\ **Posts on this page:** 3\ **Page:** 1
**Author:** ![ohoroyoi](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/ohoroyoi/32/46820_2.png) [@ohoroyoi](https://discuss.elastic.co/u/ohoroyoi)\ **Post date:** [November 22, 2019, 6:38am UTC](https://discuss.elastic.co/t/update-part-of-a-document-existing-field/209017/1 "2019-11-22T06:38:53Z")
[https://www.elastic.co/guide/en/elasticsearch/reference/current/docs-update.html#\_update\_part\_of\_a\_document](https://www.elastic.co/guide/en/elasticsearch/reference/current/docs-update.html#_update_part_of_a_document) according to this documents, I can update partial documents. but is it not. it change whole documents. and this document explains updating add new documents. but I want to edit existing field. is it possible? ---
**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 22, 2019, 7:28am UTC](https://discuss.elastic.co/t/update-part-of-a-document-existing-field/209017/2 "2019-11-22T07:28:15Z")
As Lucene and therefore Elasticsearch stores data in immutable segments there is no in place update. Any change to a document will make it re reindexed behind the scenes no matter how small the change is. ---
**Author:** ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)\ **Post date:** [December 20, 2019, 7:28am UTC](https://discuss.elastic.co/t/update-part-of-a-document-existing-field/209017/3 "2019-12-20T07:28:25Z")
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