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18866c4c0b
This commit changes the format of the `hits.total` in the search response to be an object with a `value` and a `relation`. The `value` indicates the number of hits that match the query and the `relation` indicates whether the number is accurate (in which case the relation is equals to `eq`) or a lower bound of the total (in which case it is equals to `gte`). This change also adds a parameter called `rest_total_hits_as_int` that can be used in the search APIs to opt out from this change (retrieve the total hits as a number in the rest response). Note that currently all search responses are accurate (`track_total_hits: true`) or they don't contain `hits.total` (`track_total_hits: true`). We'll add a way to get a lower bound of the total hits in a follow up (to allow numbers to be passed to `track_total_hits`). Relates #33028
Elasticsearch REST API JSON specification
This repository contains a collection of JSON files which describe the Elasticsearch HTTP API.
Their purpose is to formalize and standardize the API, to facilitate development of libraries and integrations.
Example for the "Create Index" API:
{
"indices.create": {
"documentation": "http://www.elastic.co/guide/en/elasticsearch/reference/master/indices-create-index.html",
"methods": ["PUT", "POST"],
"url": {
"path": "/{index}",
"paths": ["/{index}"],
"parts": {
"index": {
"type" : "string",
"required" : true,
"description" : "The name of the index"
}
},
"params": {
"timeout": {
"type" : "time",
"description" : "Explicit operation timeout"
}
}
},
"body": {
"description" : "The configuration for the index (`settings` and `mappings`)"
}
}
}
The specification contains:
- The name of the API (
indices.create), which usually corresponds to the client calls - Link to the documentation at http://elastic.co
- List of HTTP methods for the endpoint
- URL specification: path, parts, parameters
- Whether body is allowed for the endpoint or not and its description
The methods and url.paths elements list all possible HTTP methods and URLs for the endpoint;
it is the responsibility of the developer to use this information for a sensible API on the target platform.
License
This software is licensed under the Apache License, version 2 ("ALv2").