问题
I have a recipe entity which have some tags (many to many mapping) and I want to search recipes by tags.
Here's my Recipe entity:
/**
* @ORM\Entity
* @ORM\Table(name="recipes")
* @ORM\HasLifecycleCallbacks
* @ExclusionPolicy("all")
*/
class Recipe
{
/**
* @ORM\Id
* @ORM\Column(type="integer")
* @ORM\GeneratedValue(strategy="AUTO")
* @Expose
*/
protected $id;
/**
* @ORM\Column(type="string", length=150)
* @Expose
*/
protected $name;
...
/**
* @ORM\ManyToMany(targetEntity="RecipesTag", inversedBy="recipes")
* @ORM\JoinTable(name="bind_recipes_tags",
* joinColumns={@ORM\JoinColumn(name="tag_id", referencedColumnName="id")},
* inverseJoinColumns={@ORM\JoinColumn(name="recipe_id", referencedColumnName="id")}
* )
*/
private $tags;
Here's my config:
fos_elastica:
clients:
default: { host: localhost, port: 9200 }
serializer:
callback_class: FOS\ElasticaBundle\Serializer\Callback
serializer: serializer
indexes:
td:
client: default
types:
Recipe:
mappings:
name: ~
ingredients:
type: "nested"
properties:
name: ~
tags:
type: "nested"
properties:
name: ~
id :
type : integer
categories:
type: "nested"
properties:
name: ~
id :
type : integer
persistence:
driver: orm # orm, mongodb, propel are available
model: ck\RecipesBundle\Entity\Recipe
repository: ck\RecipesBundle\Entity\RecipesRepository
provider: ~
listener: ~
finder: ~
I then added a custom repository to perform searches:
public function filterFind($searchText)
{
$query_part = new \Elastica\Query\Bool();
$nested = new \Elastica\Query\Nested();
$nested->setQuery(new \Elastica\Query\Term(array('name' => array('value' => $searchText))));
$nested->setPath('tags');
$query_part->addShould($nested);
return $this->find($query_part);
}
Then I search like this :
$repositoryManager = $this->get('fos_elastica.manager.orm');
$repository = $repositoryManager->getRepository('ckRecipesBundle:Recipe');
$recipes = $repository->filterFind('mytag');
But I got no results whatsoever despite the fact there are matching results.
I didn't find any answers on google. Anyone can help me ?
回答1:
Indeed, you forgot to define the Filtered query.
This should work :
$nested->setQuery(new \Elastica\Query\Term(array('name' => array('value' => $searchText))));
$nested->setPath('tags');
$query_part->addShould($nested);
$query = new \Elastica\Query\Filtered($query_part/*, $filters // in case you had other filters*/);
return $this->find($query);
回答2:
Here is response how to do it. For me it works. http://obtao.com/blog/2014/04/elasticsearch-advanced-search-and-nested-objects/
Basically, you need to create query like that:
{
"query":{
"filtered":{
"query":{
"query_string":{
"query":"*saf*"
}
},
"filter":{
"nested":{
"path":"categories",
"filter":{
"bool":{
"must": [{
"term":{
"categories.id":1
}
}]
}
},
"query":{
"match":{
"id":1
}
}
}
}
}
}
}
For me in PHP it look like:
$bool = new Filter\Bool();
$bool->addMust(new Filter\Term(['categories.id' => $category->getId()]));
$nested = new Filter\Nested();
$nested->setPath("categories");
$nested->setFilter($bool);
$nested->setQuery($categoriesQuery);
$queryObj = new Query\Filtered($queryObj, $nested);
Filter is Elastica\Filter and Query is Elastica\Query
来源:https://stackoverflow.com/questions/24383322/how-to-perform-nested-queries-with-elastica-search-and-symfony2