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如何使用ElasticsearchDSL Builder創建父子內部命中查詢

[英]How to create a parent-child inner hit query with elasticsearchDSL Builder

我正在嘗試使用ONGR / ElasticsearchDSL添加一個父級子級內部命中查詢。 示例文檔表明執行此操作的正確方法是

{
    "inner_hits" : {
        "children" : {
            "type" : {
                "article" : {
                    "query" : {
                        "match" : {"title" : "[actual query]"}
                    }
                }
            }
        }
    }
}
And now the query via DSL:

$matchQuery = new MatchQuery('title', '[actual query]');
$innerHit = new ParentInnerHit('children', 'article', $matchQuery);

$search = new Search();
$search->addInnerHit($innerHit);
$search->toArray();

因此,對於我的情況,我做到了:

$termQuery = new TermQuery('user', $query);
$innerHit = new ParentInnerHit('child_type', 'parent_type', $termQuery);
$search->addInnerHit($innerHit);

我的問題是我收到錯誤消息:

Catchable fatal error: Argument 3 passed to
ONGR\ElasticsearchDSL\InerHit\NestedInnerHit::__construct()
must be an instance of ONGR\ElasticsearchDSL\Search,
instance of ONGR\ElasticsearchDSL\Query\TermLevel\TermQuery
give defined in ../ongr/elasticsearch-dsl/src/InnerHit/NestedInnerHit.php
on line 46

有什么想法或建議嗎?

從異常中可以看出, ParentInnerHit期望使用Search而不是Query,這很有意義。 要構建所需的查詢,您必須:

$termQuery = new TermQuery('user', $query);
$searchObject = new Search();
$search->addQuery($termQuery);
$innerHit = new ParentInnerHit('child_type', 'parent_type', $searchObject);
$search->addInnerHit($innerHit);

沒測試過,但是您應該知道。

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