Update only specific field value in elasticsearch

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Update only specific field value in elasticsearch

Hi,

I am using Elasticsearch in Java program and there is requirement to update/add new field into the existing document.

How to Update only specific field value in elasticsearch?

Thanks

View Answers

November 4, 2020 at 5:04 AM

Hi,

Elasticsearch comes with a lot of features. You can easily update only specific field value in elasticsearch by the following query:

POST /index/type/D001/_update
{
    "doc" : {
        "updated" : "Y"
    }
}

Above code will add a new field updated in the document. If it is already present the value will be updated to "Y".

This query you can use of update multiple fields also at a time. Actually Elasticsearch runs the update on the existing document and merges the new data with the existing data. If the field is present it will update the data and if the field is not already present then it will create in the document.

Hope this helps you.

Thanks

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