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160 lines
4.3 KiB
Text
160 lines
4.3 KiB
Text
[[multi-search-template]]
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=== Multi search template API
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++++
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<titleabbrev>Multi search template</titleabbrev>
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++++
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Runs multiple <<run-multiple-templated-searches,templated searches>> with a single
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request.
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////
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[source,console]
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----
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PUT _scripts/my-search-template
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{
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"script": {
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"lang": "mustache",
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"source": {
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"query": {
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"match": {
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"message": "{{query_string}}"
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}
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},
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"from": "{{from}}",
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"size": "{{size}}"
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}
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}
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}
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PUT my-index/_doc/1?refresh
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{
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"message": "hello world"
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}
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----
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// TESTSETUP
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////
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[source,console]
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----
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GET my-index/_msearch/template
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{ }
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{ "id": "my-search-template", "params": { "query_string": "hello world", "from": 0, "size": 10 }}
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{ }
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{ "id": "my-other-search-template", "params": { "query_type": "match_all" }}
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----
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// TEST[s/my-other-search-template/my-search-template/]
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[[multi-search-template-api-request]]
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==== {api-request-title}
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`GET <target>/_msearch/template`
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`GET _msearch/template`
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`POST <target>/_msearch/template`
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`POST _msearch/template`
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[[multi-search-template-api-prereqs]]
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==== {api-prereq-title}
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* If the {es} {security-features} are enabled, you must have the `read`
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<<privileges-list-indices,index privilege>> for the target data stream, index,
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or alias. For cross-cluster search, see <<remote-clusters>>.
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[[multi-search-template-api-path-params]]
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==== {api-path-parms-title}
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`<target>`::
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(Optional, string) Comma-separated list of data streams, indices, and aliases to
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search. Supports wildcards (`*`). To search all data streams and indices, omit
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this parameter or use `*`.
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[[multi-search-template-api-query-params]]
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==== {api-query-parms-title}
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`ccs_minimize_roundtrips`::
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(Optional, Boolean) If `true`, network round-trips are minimized for
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cross-cluster search requests. Defaults to `true`.
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`max_concurrent_searches`::
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(Optional, integer) Maximum number of concurrent searches the API can run.
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Defaults to +max(1, (# of <<data-node,data nodes>> *
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min(<<search-threadpool,search thread pool size>>, 10)))+.
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`rest_total_hits_as_int`::
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(Optional, Boolean) If `true`, the response returns `hits.total` as an integer.
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If false, it returns `hits.total` as an object. Defaults to `false`.
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include::{es-ref-dir}/rest-api/common-parms.asciidoc[tag=search_type]
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`typed_keys`::
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(Optional, Boolean) If `true`, the response prefixes aggregation and suggester
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names with their respective types. Defaults to `false`.
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[role="child_attributes"]
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[[multi-search-template-api-request-body]]
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==== {api-request-body-title}
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The request body must be newline-delimited JSON (NDJSON) in the following
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format:
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[source,js]
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----
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<header>\n
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<body>\n
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<header>\n
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<body>\n
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----
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// NOTCONSOLE
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Each `<header>` and `<body>` pair represents a search request.
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The `<header>` supports the same parameters as the <<search-multi-search,multi
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search API>>'s `<header>`. The `<body>` supports the same parameters as the
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<<search-search-api-request-body,search template API>>'s request body.
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include::multi-search.asciidoc[tag=header-params]
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`<body>`::
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(Request, object) Parameters for the search.
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+
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=====
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include::search-template-api.asciidoc[tag=body-params]
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=====
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[[multi-search-template-api-response-codes]]
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==== {api-response-codes-title}
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The API returns a `400` status code only if the request itself fails. If one or
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more searches in the request fail, the API returns a `200` status code with an
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`error` object for each failed search in the response.
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[[multi-search-template-api-response-body]]
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==== {api-response-body-title}
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`responses`::
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(array of objects) Results for each search, returned in the order submitted.
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Each object uses the same properties as the <<search-search,search API>>'s
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response.
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+
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If a search fails, the response includes an `error` object containing an error
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message.
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[[multi-search-template-api-curl-requests]]
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==== curl requests
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If a providing text file or text input to `curl`, use the `--data-binary` flag
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instead of `-d` to preserve newlines.
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[source,sh]
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----
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$ cat requests
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{ "index": "my-index" }
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{ "id": "my-search-template", "params": { "query_string": "hello world", "from": 0, "size": 10 }}
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{ "index": "my-other-index" }
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{ "id": "my-other-search-template", "params": { "query_type": "match_all" }}
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$ curl -H "Content-Type: application/x-ndjson" -XGET localhost:9200/_msearch/template --data-binary "@requests"; echo
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----
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// NOTCONSOLE
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