# Insert Document to Index alias

**URL:** <https://discuss.elastic.co/t/insert-document-to-index-alias/363820>\
**Category:** Elasticsearch\
**Created:** [July 26, 2024, 6:00am UTC](https://discuss.elastic.co/t/insert-document-to-index-alias/363820 "2024-07-26T06:00:40Z")\
**Posts on this page:** 5\
**Page:** 1

<div class="post-metadata">

**Author:** ![Debasis\_Mallick](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/debasis_mallick/32/123723_2.png) [@Debasis\_Mallick](https://discuss.elastic.co/u/Debasis_Mallick)\
**Post date:** [July 26, 2024, 6:00am UTC](https://discuss.elastic.co/t/insert-document-to-index-alias/363820/1 "2024-07-26T06:00:41Z")

</div>

Hi Team,

Is there a method to ingest data into an Index alias, allowing the Elasticsearch engine to determine the specific index for insertion. Likewise in RDBMS, while inserting into partition table , RDBMS engine automatically directs the data to the appropriate partition based on the partition key.

Thanks,  
Debasis

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<div class="post-metadata">

**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:** [July 26, 2024, 6:01am UTC](https://discuss.elastic.co/t/insert-document-to-index-alias/363820/2 "2024-07-26T06:01:30Z")

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No, there is not. Any alias pointing to more than one index is automatically read-only.

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<div class="post-metadata">

**Author:** ![dadoonet](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/dadoonet/32/137187_2.png) [@dadoonet](https://discuss.elastic.co/u/dadoonet)\
**Post date:** [July 26, 2024, 6:35am UTC](https://discuss.elastic.co/t/insert-document-to-index-alias/363820/3 "2024-07-26T06:35:58Z")

</div>

But an ingest pipeline might help to solve that use case .

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<div class="post-metadata">

**Author:** ![Debasis\_Mallick](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/debasis_mallick/32/123723_2.png) [@Debasis\_Mallick](https://discuss.elastic.co/u/Debasis_Mallick)\
**Post date:** [July 29, 2024, 5:52am UTC](https://discuss.elastic.co/t/insert-document-to-index-alias/363820/4 "2024-07-29T05:52:46Z")

</div>

@dadoonet Could you please provide some guidance , how to achieve the goal.

Thanks,  
Debasis

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<div class="post-metadata">

**Author:** ![dadoonet](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/dadoonet/32/137187_2.png) [@dadoonet](https://discuss.elastic.co/u/dadoonet)\
**Post date:** [July 29, 2024, 6:46am UTC](https://discuss.elastic.co/t/insert-document-to-index-alias/363820/5 "2024-07-29T06:46:03Z")

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Have a look at [Ingest pipelines | Elasticsearch Guide [8.14] | Elastic](https://www.elastic.co/guide/en/elasticsearch/reference/current/ingest.html#access-metadata-fields) (and the rest of the page if you don't know what ingest pipeline is).

```
PUT _ingest/pipeline/my-pipeline
{
  "processors": [
    {
      "set": {
        "field": "_index",
        "value": "{{{foo.bar}}}"
      }
    }
  ]
}

```