php - Elastica添加文档将覆盖现有文档

Question

当我尝试将新文档添加到索引类型时，我会丢失现有文档，这些文档将被新添加的文档覆盖。该问题可能与每个已添加文档的ID有关。

这是代码:

     $elasticaClient = new \Elastica\Client(array(
                'host' => $this->container->getParameter('elastic_host'),
                'port' => $this->container->getParameter('elastic_port')
            ));
     $elasticaIndex = $elasticaClient->getIndex('app');
           $elasticaIndex->create(
            array(
                'number_of_shards' => 4,
                'number_of_replicas' => 1,
                'analysis' => array(
                    'analyzer' => array(
                        'indexAnalyzer' => array(
                            'type' => 'custom',
                            'tokenizer' => 'standard',
                            'filter' => array('lowercase', 'mySnowball')
                        ),
                        'searchAnalyzer' => array(
                            'type' => 'custom',
                            'tokenizer' => 'standard',
                            'filter' => array('standard', 'lowercase',    'mySnowball')
                        )
                    ),
                    'filter' => array(
                        'mySnowball' => array(
                            'type' => 'snowball',
                            'language' => 'German'
                        )
                    )
                )
            ),
            true
        );
     $elasticaType = $elasticaIndex->getType('type');
      $mapping = new \Elastica\Type\Mapping();
      $mapping->setType($elasticaType);
      $mapping->setParam('index_analyzer', 'indexAnalyzer');
      $mapping->setParam('search_analyzer', 'searchAnalyzer');
      $mapping->setProperties(array(
            'id'      => array('type' => 'string'),
            'title'     => array('type' => 'string'),
            'duration'     => array('type' => 'string'),
            'start'     => array('type' => 'string'),
            'end'     => array('type' => 'string'),
        ));

        // Send mapping to type
        $mapping->send();

    $documents = array(); 
            foreach($medias as $media) { 
                $id = uniqid() ;
                $documents[] = new \Elastica\Document(
                    $id,
                    array(
                    'id'       => $id,
                    'title'    => $media['title'],
                    'duration' => $media['duration'],
                    'start'    => $media['start'],
                    'end'      => $media['end'],

                    )
                );
            }

 $elasticaType->addDocuments($documents);
 $elasticaType->getIndex()->refresh();

拜托我需要你的帮忙 。谢谢

Answer 1

此用例使用uniqid的PHP does not recommend。由于您需要一个随机，安全的ID，因此让Elasticsearch为您完成。 Elastica Document construct method指出id字段是可选的。因此，请不要传递它，而让Elasticsearch发布ID。