41abccf6c5
* Adds rewrite phase to aggregations This change adds aggregations to the rewrite performed by the `SearchSourceBuilder`. This means that `AggregationBuilder`s are able to implement a `rewrite()` method where they can return a new `AggregationBuilder` which is functionally the same but in a more primitive form. This is exactly analogous to the rewrite done by the `QueryBuilder`s. The first aggregation to implement the rewrite are the filter and filters aggregations so they can rewrite the filters they contain. Closes #17676 * Removes rewrite from PipelineAggregationBuilder Rewrite is based on shard level information. Since pipeline aggregation are run in the reduce phase it doesn’t make sense to rewrite them on the shards. In fact eventually we shouldn’t be transporting them to the shards at all and should be retaining them on the coordinating node for execution in the reduce phase * Addresses review comments * addresses more review comments * Fixed imports |
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README.markdown
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").