Index not created | 易学教程

问题

I have a document with an index defined.

/** @ODM\Document */
class Stat
{
    /** @ODM\Id(strategy="NONE", type="int") */
    private $id;

    /** @ODM\Field(type="string") */
    private $period;

    /** @ODM\ReferenceOne(targetDocument="Player") */
    private $player;

    /** @ODM\Field(type="string") @ODM\Index */
    private $statType;

However, when I look at the indexes created in the collection, the only index is the _id.

To save the document I'm doing:

$stat = new Documents\Stat();

$stat->setId(1);
$stat->setPlayer($player);
$stat->setPeriod(1);
$stat->setStatType('goal');

$dm->persist($stat);
$dm->flush();

Is there something else I'm not doing?

回答1:

Indexes are not created (nor ensured if they're in sync with mapping) during normal ODM usage.

If you're using Symfony then solving problem is easy, just run doctrine:mongodb:schema:create command from Symfony's console (and if you're using other framework, look for equivalent as command itself is provided by ODM).

If you want to control indexes from your code you can use SchemaManager which provides an API to control "schema" directly (you can also control indexes on per-document basis). Obtaining it is easy: $sm = $dm->getSchemaManager();.

回答2:

// AppBundle/Document

    namespace AppBundle\Document;

    use Doctrine\ODM\MongoDB\Mapping\Annotations as MongoDB;
    use Doctrine\Bundle\MongoDBBundle\Validator\Constraints\Unique as MongoDBUnique;

    /**
    * @MongoDB\Document(repositoryClass="AppBundle\Repository\ProduitRepository")
    * @MongoDBUnique(fields="$noProduit")
    */
    class Produit
    {
      /**
       * @MongoDB\Id
       */
       protected $id;

      /**
       * @MongoDB\String
       * @MongoDB\UniqueIndex(order="asc")
       */
       protected $noProduit;

       /**
        * @MongoDB\Field(type="string")
        */
       protected $libelle;

      // getter and setter
    }

// AppBundle/Controller

   $dm = $this->get('doctrine_mongodb')->getManager();
   $dm->getSchemaManager()->ensureIndexes();

schema and database will be created automatically when you run your app. For more info visit this link

回答3:

/**
 * @ODM\Document
 * @ODM\Indexes({
 *   @ODM\Index(keys={"statType"="asc"}),
 *   @ODM\UniqueIndex(keys={"period"="asc"})//For example unique index
 * })
 */
class Stat
{
}

Then if you use symfony run php bin/console doctrine:mongodb:schema:create

来源：https://stackoverflow.com/questions/41172585/index-not-created

标签

doctrine-orm

doctrine-odm