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

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[[query-dsl-wrapper-query]]
=== Wrapper query
++++
<titleabbrev>Wrapper</titleabbrev>
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A query that accepts any other query as base64 encoded string.
[source,console]
--------------------------------------------------
GET /_search
{
"query": {
"wrapper": {
"query": "eyJ0ZXJtIiA6IHsgInVzZXIuaWQiIDogImtpbWNoeSIgfX0=" <1>
}
}
}
--------------------------------------------------
<1> Base64 encoded string: `{"term" : { "user.id" : "kimchy" }}`
This query is more useful in the context of Spring Data Elasticsearch. It's the way a user can add custom queries when using Spring Data repositories. The user can add a @Query() annotation to a repository method. When such a method is called we do a parameter replacement in the query argument of the annotation and then send this as the query part of a search request.