# Query functionality of Elasticsearch

**URL:** <https://discuss.elastic.co/t/query-functionality-of-elasticsearch/130405>\
**Category:** Elasticsearch\
**Created:** [May 3, 2018, 9:02am UTC](https://discuss.elastic.co/t/query-functionality-of-elasticsearch/130405 "2018-05-03T09:02:27Z")\
**Posts on this page:** 5\
**Page:** 1

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**Author:** ![kabali12345](https://avatars.discourse-cdn.com/v4/letter/k/6a8cbe/32.png) [@kabali12345](https://discuss.elastic.co/u/kabali12345)\
**Post date:** [May 3, 2018, 9:02am UTC](https://discuss.elastic.co/t/query-functionality-of-elasticsearch/130405/1 "2018-05-03T09:02:27Z")

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Hi all....  
Here what i am trying is i have created two indices(index1 and index2) each index holds different data in it, and i have assigned same alias(alise1) name for both the indices.  
Now  
Lets say if I have to query with **alias** name(alise1) for the documents that have Severity = 5 **AND** TicketNo = 5  
and in this case, Severity is a field in **index1** and TicketNo is a field in **index2**  
would that work ?

Thank you.

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**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:** [May 3, 2018, 9:04am UTC](https://discuss.elastic.co/t/query-functionality-of-elasticsearch/130405/2 "2018-05-03T09:04:36Z")

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That query will look for documents fulfilling both criteria. As there are no documents that contain both fields, you would get no hits.

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<div class="post-metadata">

**Author:** ![kabali12345](https://avatars.discourse-cdn.com/v4/letter/k/6a8cbe/32.png) [@kabali12345](https://discuss.elastic.co/u/kabali12345)\
**Post date:** [May 3, 2018, 9:06am UTC](https://discuss.elastic.co/t/query-functionality-of-elasticsearch/130405/3 "2018-05-03T09:06:11Z")

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Yes exactly,  
but is there any way for doing that in Elasticsearch?

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**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:** [May 3, 2018, 9:09am UTC](https://discuss.elastic.co/t/query-functionality-of-elasticsearch/130405/4 "2018-05-03T09:09:20Z")

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You can not join across indices if that is what you are looking for. You can however use a `should` clause to get documents that match one of the conditions.

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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:** [May 31, 2018, 9:09am UTC](https://discuss.elastic.co/t/query-functionality-of-elasticsearch/130405/5 "2018-05-31T09:09:30Z")

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Closed on May 31, 2018, 9:09am UTC

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