ElasticSearch match combination in array - php

Question

I'm implementing ElasticSearch into my Laravel application using the php package from ElasticSearch.
My application is a small jobboard and currently my job document is looking like this:
{
"_index":"jobs",
"_type":"job",
"_id":"19",
"_score":1,
"_source":{
"0":"",
"name":"Programmer",
"description":"This is my first job! :)",
"text":"Programming is awesome",
"networks":[
{
"id":1,
"status":"PRODUCTION",
"start":"2015-02-26",
"end":"2015-02-26"
},
{
"id":2,
"status":"PAUSE",
"start":"2015-02-26",
"end":"2015-02-26"
}
]
}
}
As you can see a job can be attached to multiple networks. In my search query I would like to include WHERE network.id == 1 AND network.status == PRODUCTION.
My current query looks like this, however this returns documents where it has a network of id 1, if it has any network of status PRODUCTION. Is there anyway i can enforce both to be true within one network?
$query = [
'index' => $this->index,
'type' => $this->type,
'body' => [
'query' => [
'bool' => [
'must' => [
['networks.id' => 1]],
['networks.status' => 'PRODUCTION']]
],
'should' => [
['match' => ['name' => $query]],
['match' => ['text' => $query]],
['match' => ['description' => $query]],
],
],
],
],
];

Answer 1

You need to specify that the objects in the networks array should be stored as individual objects in the index, this will allow you to perform a search on individual network objects. You can do so using the nested type in Elasticsearch.
Also, if you doing exact matches it is better to use a filter rather than a query as the filters are cached and always give you better performance than a query.
Create your index with a new mapping. Use the nested type for the networks array.
POST /test
{
"mappings": {
"job": {
"properties": {
"networks": {
"type": "nested",
"properties": {
"status": {
"type": "string",
"fields": {
"raw": {
"type": "string",
"index": "not_analyzed"
}
}
}
}
}
}
}
}
}
Add a document:
POST /test/job/1
{
"0": "",
"name": "Programmer",
"description": "This is my first job! :)",
"text": "Programming is awesome",
"networks": [
{
"id": 1,
"status": "PRODUCTION",
"start": "2015-02-26",
"end": "2015-02-26"
},
{
"id": 2,
"status": "PAUSE",
"start": "2015-02-26",
"end": "2015-02-26"
}
]
}
As you have a nested type you will need to use a nested filter.
POST /test/job/_search
{
"query": {
"filtered": {
"query": {
"match_all": {}
},
"filter": {
"nested": {
"path": "networks",
"filter": {
"bool": {
"must": [
{
"term": {
"networks.id": "1"
}
},
{
"term": {
"networks.status.raw": "PRODUCTION"
}
}
]
}
}
}
}
}
}
}