Is there any way to query elasticsearch using curl for multiple documents to extract field values from _source?

Question

I am looking for curl queries to query multiple unique document ID's in the index. Like we know that the actual data for document is stored under "_source" but so far I am able to query the source for a single document_id for the required fields but not for multiple documents including a filter. I was of the opinion that 'mget' would be helpful here like

• GET ////_source

For eg -

curl -XGET "http://localhost:9200/my_index/document/id/_source?_source_include=_id_batch" -d "{"query":{"bool":{"must":[{"term":{"_doc_date":"20150122"}}],"from": 0,"fields":[],"size":5,"sort":[]}" > "C:\Users\user.id\Downloads\output.json"

Sample Index -

Answer 1

There is actually mget API:

http://www.elastic.co/guide/en/elasticsearch/reference/current/docs-multi-get.html

Using your example, you could do something like:

curl 'localhost:9200/my_index/_mget' -d '{
    "docs" : [
        {
            "_type" : "document",
            "_id" : "1"
        },
        {
            "_type" : "document",
            "_id" : "2"
        }
    ]
}'