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JavaScript language Plugin for ElasticSearch

branch: master

Create branches according to elasticsearch versions

We create branches:

* es-0.90 for elasticsearch 0.90
* es-1.0 for elasticsearch 1.0
* es-1.1 for elasticsearch 1.1
* master for elasticsearch master

We also check that before releasing we don't have a dependency to an elasticsearch SNAPSHOT version.

Add links to each version in documentation
latest commit 22465d23e7
David Pilato dadoonet authored
Octocat-spinner-32 dev-tools Create branches according to elasticsearch versions
Octocat-spinner-32 src Create branches according to elasticsearch versions
Octocat-spinner-32 .gitignore Move tests to elasticsearch test framework
Octocat-spinner-32 CONTRIBUTING.md Create CONTRIBUTING.md
Octocat-spinner-32 LICENSE.txt add license and repo
Octocat-spinner-32 README.md Create branches according to elasticsearch versions
Octocat-spinner-32 pom.xml Create branches according to elasticsearch versions
README.md

JavaScript lang Plugin for Elasticsearch

The JavaScript language plugin allows to have javascript (or js) as the language of scripts to execute.

In order to install the plugin, simply run: bin/plugin -install elasticsearch/elasticsearch-lang-javascript/2.0.0.RC1.

JavaScript Lang Plugin elasticsearch rhino Release date
3.0.0-SNAPSHOT master 1.7R4 XXXX-XX-XX

Please read documentation relative to the version you are using:

Using javascript with function_score

Let's say you want to use function_score API using javascript. Here is a way of doing it:

curl -XDELETE "http://localhost:9200/test"

curl -XPUT "http://localhost:9200/test/doc/1" -d '{
  "num": 1.0
}'

curl -XPUT "http://localhost:9200/test/doc/2?refresh" -d '{
  "num": 2.0
}'

curl -XGET "http://localhost:9200/test/_search?pretty" -d '
{
  "query": {
    "function_score": {
      "script_score": {
        "script": "doc[\"num\"].value",
        "lang": "javascript"
      }
    }
  }
}'

gives

{
   // ...
   "hits": {
      "total": 2,
      "max_score": 4,
      "hits": [
         {
            // ...
            "_score": 4
         },
         {
            // ...
            "_score": 1
         }
      ]
   }
}

Using javascript with script_fields

curl -XDELETE "http://localhost:9200/test"

curl -XPUT "http://localhost:9200/test/doc/1?refresh" -d'
{
  "obj1": {
   "test": "something"
  },
  "obj2": {
    "arr2": [ "arr_value1", "arr_value2" ]
  }
}'

curl -XGET "http://localhost:9200/test/_search" -d'
{
  "script_fields": {
    "s_obj1": {
      "script": "_source.obj1", "lang": "js"
    },
    "s_obj1_test": {
      "script": "_source.obj1.test", "lang": "js"
    },
    "s_obj2": {
      "script": "_source.obj2", "lang": "js"
    },
    "s_obj2_arr2": {
      "script": "_source.obj2.arr2", "lang": "js"
    }
  }
}'

gives

{
  // ...
  "hits": [
     {
        // ...
        "fields": {
           "s_obj2_arr2": [
              [
                 "arr_value1",
                 "arr_value2"
              ]
           ],
           "s_obj1_test": [
              "something"
           ],
           "s_obj2": [
              {
                 "arr2": [
                    "arr_value1",
                    "arr_value2"
                 ]
              }
           ],
           "s_obj1": [
              {
                 "test": "something"
              }
           ]
        }
     }
  ]
}

License

This software is licensed under the Apache 2 license, quoted below.

Copyright 2009-2014 Elasticsearch <http://www.elasticsearch.org>

Licensed under the Apache License, Version 2.0 (the "License"); you may not
use this file except in compliance with the License. You may obtain a copy of
the License at

    http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
License for the specific language governing permissions and limitations under
the License.
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