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I am persisting data through elasticsearch and even though the data is persisted multiple times, it will be stored with auto-generated different string id values. I want multiple entries of the same data to be avoided from being persistence by making the email field as the primary key. How could I achieve this in elasticsearch

{
  "email":"[email protected]",
  "name": "abc"
}

return client.prepareIndex(Constants.INDEX_NAME, Constants.TYPE)
            .setSource(XContentFactory.jsonBuilder()
            .startObject()
                .field("email", email)
                .field("name", name)
            .endObject())
            .get();
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  • 1
    stackoverflow.com/questions/21461269/… You need to set then your email as the _id Field. Commented Mar 22, 2019 at 10:08
  • If you need to keep your id, consider upsert by querry the email field. Commented Mar 22, 2019 at 10:47
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