# App search parent child relationships

**URL:** https://discuss.elastic.co/t/app-search-parent-child-relationships/214618
**Category:** Elastic Search
**Tags:** elastic-app-search
**Created:** [January 10, 2020, 3:11pm UTC](https://discuss.elastic.co/t/app-search-parent-child-relationships/214618 "2020-01-10T15:11:49Z")
**Posts on this page:** 4
**Page:** 1

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### Author: ![arjunyel](https://avatars.discourse-cdn.com/v4/letter/a/f14d63/32.png) [@arjunyel](https://discuss.elastic.co/u/arjunyel)
#### Post date: [January 10, 2020, 3:11pm UTC](https://discuss.elastic.co/t/app-search-parent-child-relationships/214618/1 "2020-01-10T15:11:49Z")

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Hello, we are evaluating app search vs regular elasticsearch, does app search support parent/child relationships? I can't find any mention of it in the docs. Thank you!

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### Author: ![JasonStoltz](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/jasonstoltz/32/49893_2.png) [@JasonStoltz](https://discuss.elastic.co/u/JasonStoltz)
#### Post date: [January 13, 2020, 10:39am UTC](https://discuss.elastic.co/t/app-search-parent-child-relationships/214618/2 "2020-01-13T10:39:22Z")

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Hey @arjunyel,

App Search does not support parent/child relationships.

Our typical recommendation in these cases is to include the child data within the parent.

```auto
{
  "name": "Some parent document",
  "child.property1": "Some child document property", 
  "child.property2": "Some other child document property",
}

```

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### Author: ![JasonStoltz](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/jasonstoltz/32/49893_2.png) [@JasonStoltz](https://discuss.elastic.co/u/JasonStoltz)
#### Post date: [January 13, 2020, 10:46am UTC](https://discuss.elastic.co/t/app-search-parent-child-relationships/214618/3 "2020-01-13T10:46:53Z")

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The above works well for a one-to-one relationship. One-to-many relationships can be a bit trickier.

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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: [February 10, 2020, 10:46am UTC](https://discuss.elastic.co/t/app-search-parent-child-relationships/214618/4 "2020-02-10T10:46:53Z")

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