OpenSearch/docs/reference/query-dsl/match-all-query.asciidoc

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[[query-dsl-match-all-query]]
== Match All Query
The most simple query, which matches all documents, giving them all a `_score`
of `1.0`.
[source,js]
--------------------------------------------------
GET /_search
{
"query": {
"match_all": {}
}
}
--------------------------------------------------
// CONSOLE
The `_score` can be changed with the `boost` parameter:
[source,js]
--------------------------------------------------
GET /_search
{
"query": {
"match_all": { "boost" : 1.2 }
}
}
--------------------------------------------------
// CONSOLE
[[query-dsl-match-none-query]]
[float]
== Match None Query
This is the inverse of the `match_all` query, which matches no documents.
[source,js]
--------------------------------------------------
GET /_search
{
"query": {
"match_none": {}
}
}
--------------------------------------------------
// CONSOLE