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elasticsearch-js/docs/reference/msearch.asciidoc
2024-12-05 14:47:47 -06:00

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[[reference-msearch]]
== client.msearch
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<style>
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[discrete]
[[client.msearch]]
== `client.msearch()`
Run multiple searches. The format of the request is similar to the bulk API format and makes use of the newline delimited JSON (NDJSON) format. The structure is as follows: ``` header\n body\n header\n body\n ``` This structure is specifically optimized to reduce parsing if a specific search ends up redirected to another node. IMPORTANT: The final line of data must end with a newline character `\n`. Each newline character may be preceded by a carriage return `\r`. When sending requests to this endpoint the `Content-Type` header should be set to `application/x-ndjson`.
{ref}/search-multi-search.html[{es} documentation]
[discrete]
=== Function signature
[source,ts]
----
(request: MsearchRequest, options?: TransportRequestOptions) => Promise<MsearchResponse>
----
[discrete]
=== Request
[source,ts,subs=+macros]
----
interface MsearchRequest extends <<RequestBase>> {
index?: <<Indices>>
allow_no_indices?: boolean
ccs_minimize_roundtrips?: boolean
expand_wildcards?: <<ExpandWildcards>>
ignore_throttled?: boolean
ignore_unavailable?: boolean
include_named_queries_score?: boolean
max_concurrent_searches?: <<long>>
max_concurrent_shard_requests?: <<long>>
pre_filter_shard_size?: <<long>>
rest_total_hits_as_int?: boolean
routing?: <<Routing>>
search_type?: <<SearchType>>
typed_keys?: boolean
searches?: <<MsearchRequestItem>>[]
}
----
[discrete]
=== Response
[source,ts,subs=+macros]
----
type MsearchResponse<TDocument = unknown, TAggregations = Record<<<AggregateName>>, <<AggregationsAggregate>>>> = <<MsearchMultiSearchResult>><TDocument, TAggregations>
----