elasticsearch/docs/reference/query-dsl/wrapper-query.asciidoc

[[query-dsl-wrapper-query]]
=== Wrapper Query

A query that accepts any other query as base64 encoded string.

[source,js]
--------------------------------------------------
GET /_search
{
    "query" : {
        "wrapper": {
            "query" : "eyJ0ZXJtIiA6IHsgInVzZXIiIDogIktpbWNoeSIgfX0=" <1>
        }
    }
}
--------------------------------------------------
// CONSOLE

<1> Base64 encoded string:  `{"term" : { "user" : "Kimchy" }}`

This query is more useful in the context of the Java high-level REST client or
transport client to also accept queries as json formatted string.
In these cases queries can be specified as a json or yaml formatted string or
as a query builder (which is a available in the Java high-level REST client).