# Filters in aliases

**URL:** <https://discuss.elastic.co/t/filters-in-aliases/28160>\
**Category:** Elasticsearch\
**Created:** [August 27, 2015, 8:10am UTC](https://discuss.elastic.co/t/filters-in-aliases/28160 "2015-08-27T08:10:27Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![shakura](https://avatars.discourse-cdn.com/v4/letter/s/41988e/32.png) [@shakura](https://discuss.elastic.co/u/shakura)\
**Post date:** [August 27, 2015, 8:10am UTC](https://discuss.elastic.co/t/filters-in-aliases/28160/1 "2015-08-27T08:10:27Z")

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Hi!  
I'm trying to understand how filters in aliases exactly work. Are they simply added to queries? Or query is applied to result of filters?

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**Author:** ![warkolm](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/warkolm/32/39224_2.png) [@warkolm](https://discuss.elastic.co/u/warkolm)\
**Post date:** [August 27, 2015, 9:06am UTC](https://discuss.elastic.co/t/filters-in-aliases/28160/2 "2015-08-27T09:06:17Z")

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Basically the filter is applied to the query.

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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:** [July 5, 2017, 11:53pm UTC](https://discuss.elastic.co/t/filters-in-aliases/28160/3 "2017-07-05T23:53:31Z")

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