ElasticSearch PHP SDK搜索对match_all查询返回null



我最近尝试使用ES。所以我把它设置在云环境中。我使用curl请求文件插入数据,我可以通过

看到它们
http://mydomain/ingredients/aliments/_search?size=350&pretty=true

然后我尝试使用Silex设置弹性SDK (v.2.0),但我无法获得相同的输出…下面是我的代码:

$client = $app['elasticsearch'];
$params = array(
    'size' => 350,
    'index' => 'ingredients',
    'type'=>'aliment',
    'body' => array(
        'query'=>array(
            'match_all' => new stdClass()
        )
    )
);
$ingredients = $client->search($params);

输出是NULL,但是当我执行以下操作时:

$params = array(
    'index' => 'ingredients',
    'type' => 'aliment'
);
$count = $client->count($params);

输出如预期:{"count":240,"_shards":{"total":5,"successful":5,"failed":0}}

我已经花了几个小时试图弄清楚发生了什么,我试图用json字符串替换"查询"参数,我尝试空数组而不是新的stdClass,但似乎没有任何作用。

编辑:我又读了一遍文档,并尝试了官方示例:

$client = $app['elasticsearch'];
$params = [
    "search_type" => "scan",    // use search_type=scan
    "scroll" => "30s",          // how long between scroll requests. should be small!
    "size" => 50,               // how many results *per shard* you want back
    "index" => "ingredients",
    "body" => [
        "query" => [
            "match_all" => []
        ]
    ]
];
$output = $client->search($params);
$scroll_id = $output['_scroll_id'];   /*<<<This works****/
while (true) {
    // Execute a Scroll request
    $response = $client->scroll([
            "scroll_id" => $scroll_id,  //...using our previously obtained _scroll_id
            "scroll" => "30s"           // and the same timeout window
        ]
    );
    var_dump($response); /*<<<THIS IS NULL****/
    ...
}

不幸的是得到了相同的null结果…

我做错了什么?

在我的例子中是这样的:

 $json = '{
     "query": {
         "match_all": {}
     }
 }';
 $params = [
     'type' => 'my_type',
     'body'=> $json
 ];

我发现插入的数据是错误的。通过浏览器URL访问一些格式错误的数据似乎是可以的,但不使用curl命令行或SDK。

我在我的请求文件中写了{"name":"Yaourt","description":""}而不是{name:"Yaourt",type:"",description:""},现在一切都如预期的那样工作了!

@ivanesi的回答有效。你也可以试试这个:

$params["index"] = $indexName;
$params["body"]["query"]["match_all"] = new stdClass();

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