elasticsearch,Java,elasticsearch" /> elasticsearch,Java,elasticsearch" />

Java elasticsearch中嵌套分析字段未命中

Java elasticsearch中嵌套分析字段未命中,java,elasticsearch,Java,elasticsearch,我们想用多种语言搜索嵌套字段“文本”。然而,当使用不同的分析器应用额外的字段时,我们永远不会得到任何点击 我们的配置适用于非嵌套字段(如下面示例中的“title”),因此它似乎与嵌套有某种关联 映射配置: { "properties": { "title": { "type": "string", "fields": { "en": { "type": "string", "analyzer": "english" } } }, "texts"

我们想用多种语言搜索嵌套字段“文本”。然而,当使用不同的分析器应用额外的字段时,我们永远不会得到任何点击

我们的配置适用于非嵌套字段(如下面示例中的“title”),因此它似乎与嵌套有某种关联

映射配置:

{
"properties": {
"title": {
  "type": "string",
  "fields": {
    "en": {
      "type": "string",
      "analyzer": "english"
    }
  }
},
"texts": {
  "type": "nested",
  "value": {
    "type": "string",
    "fields": {
      "en": {
        "type": "string",
        "analyzer": "english"
      }
    }
  }
}
}
}
测试代码:

TransportClient testClient = new TransportClient()
    .addTransportAddress(new InetSocketTransportAddress(hostname, port));

String test_index = "test_index";
IndicesExistsResponse indicesExistsResponse = testClient.admin().indices().exists(new IndicesExistsRequest(test_index))
    .actionGet();

if (indicesExistsResponse.isExists()) {
  testClient.admin().indices().prepareDelete(test_index).execute().actionGet();
}
testClient.admin().indices().prepareCreate(test_index).execute().actionGet();

String source = Streams.copyToStringFromClasspath("/index.json");
testClient.admin().indices()
    .preparePutMapping(test_index)
    .setType(ARTICLE_TYPE)
    .setSource(source).execute().actionGet();

Article article = new Article();
article.title = "Winter is coming";

Text text = new Text();
text.value = "The nicest summer shoes";
text.textId = UUID.randomUUID().toString();

article.texts = Collections.singletonList(text);

testClient.index(new IndexRequest(test_index, ARTICLE_TYPE, article.articleId)
    .source(objectMapper.writeValueAsBytes(article))
    .refresh(true)).actionGet();


SearchHits rawTitleSearchHits = testClient.prepareSearch(test_index)
    .setTypes(ARTICLE_TYPE)
    .setSearchType(SearchType.DFS_QUERY_THEN_FETCH)
    .setQuery(queryStringQuery("title:winter"))
    .execute().get().getHits();

SearchHits enTitleSearchHits = testClient.prepareSearch(test_index)
    .setTypes(ARTICLE_TYPE)
    .setSearchType(SearchType.DFS_QUERY_THEN_FETCH)
    .setQuery(queryStringQuery("title.en:winter"))
    .execute().get().getHits();

SearchHits rawTextSearchHits = testClient.prepareSearch(test_index)
    .setTypes(ARTICLE_TYPE)
    .setSearchType(SearchType.DFS_QUERY_THEN_FETCH)
    .setQuery(nestedQuery("texts", queryStringQuery("value:summer")))
    .execute().get().getHits();

SearchHits enTextSearchHits = testClient.prepareSearch(test_index)
    .setTypes(ARTICLE_TYPE)
    .setSearchType(SearchType.DFS_QUERY_THEN_FETCH)
    .setQuery(nestedQuery("texts", queryStringQuery("value.en:summer")))
    .execute().get().getHits();

SearchHits enTextSearchMatchHits = client.prepareSearch(test_index)
    .setTypes(ARTICLE_TYPE)
    .setSearchType(SearchType.DFS_QUERY_THEN_FETCH)
    .setQuery(nestedQuery("texts", matchQuery("value.en", "summer")))
    .execute().get().getHits();


assertThat(rawTextSearchHits.getTotalHits(), is(1L));
assertThat(rawTitleSearchHits.getTotalHits(), is(1L));
assertThat(enTitleSearchHits.getTotalHits(), is(1L));

// Fails. Why??
assertThat(enTextSearchHits.getTotalHits(), is(1L));

// Also fails. Why??
assertThat(enTextSearchMatchHits.getTotalHits(), is(1L));

嵌套
字段的映射缺少
属性
结构:

{
  "properties": {
    "title": {
      "type": "string",
      "fields": {
        "en": {
          "type": "string",
          "analyzer": "english"
        }
      }
    },
    "texts": {
      "type": "nested",
      "properties": {               <--- this structure is missing
        "value": {
          "type": "string",
          "fields": {
            "en": {
              "type": "string",
              "analyzer": "english"
            }
          }
        }
      }
    }
  }
}

谢谢你的回复。但还是不行。上一个断言的结果相同,命中率为0。是否清除索引并重新为数据编制索引?是。正如您在测试代码中看到的,我在每次测试运行时都会删除并重新创建索引。是的,我的坏消息是我忽略了这一点。实际上,问题似乎来自尝试在
查询字符串中使用嵌套字段。据我所知。如果您可以使用嵌套匹配查询,那么应该可以。我认为您需要指定完整的字段路径,即
matchQuery(“text.value.en”,“summer”)
SearchHits enTextSearchHits = testClient.prepareSearch(test_index)
    .setTypes(ARTICLE_TYPE)
    .setSearchType(SearchType.DFS_QUERY_THEN_FETCH)
    .setQuery(nestedQuery("texts", queryStringQuery("texts.value.en:summer")))
    .execute().get().getHits();

SearchHits enTextSearchMatchHits = client.prepareSearch(test_index)
    .setTypes(ARTICLE_TYPE)
    .setSearchType(SearchType.DFS_QUERY_THEN_FETCH)
    .setQuery(nestedQuery("texts", matchQuery("texts.value.en", "summer")))
    .execute().get().getHits();