ElasticSearch NEST客户端不返回结果 [英] ElasticSearch NEST client not returning results

问题描述

我正在通过ElasticSearch NEST C＃客户端的简单查询。我收到成效，当我运行通过HTTP相同的查询，但我从客户端返回零文件

这是我如何填充数据集：

-d @ blog.json

卷曲-X POST：//本地主机9200 /博客/帖子HTTP >



这POST请求返回一个JSON结果：

的http：//本地主机：9200 / _search q = adipiscing

这是我有一个不返回任何东西的代码。

 公共类连接器
 {
私人只读ConnectionSettings _settings; 
私人只读ElasticClient _client; 
 
公连接器（）
 {
 _settings =新ConnectionSettings（本地主机，9200）; 
 _settings.SetDefaultIndex（博客）; 
 _client =新ElasticClient（_settings）; 
} 
 
公开的IEnumerable< BlogEntry>搜索（串Q）
 {
变种结果= 
 _client.Search&所述; BlogEntry&将（S => s.QueryString（Q））; 
 
返回result.Documents.ToList（）; 
} 
} 
  

我在想什么？在此先感谢..

解决方案

NEST尝试猜测类型和索引名称，并在你的情况下，它会使用/博客/ blogentries

博客，因为那是你说的缺省索引和 blogentries ，因为这将小写和复数形式传递给搜索和LT类型名称; T> 。

您可以控制​​哪些类型和索引像这样：

 。搜索< BlogEntry>（S =方式> s.AllIndices（）查询（...））; 
  

这将让NEST知道你真正想要搜索的所有指标，因此巢将它传送到 / _搜索根，等于命令你卷曲发出。

您最有可能想要的是：

  .Search< BlogEntry> （S =方式> s.Type（上岗），查询（...））; 
  

这样NEST搜索在 /博客/职位/ _search

I am running a simple query through the ElasticSearch NEST C# client. I receive results when I run the same query through http, but I get zero documents returned from the client.

This is how I populated the data set:

curl -X POST "http://localhost:9200/blog/posts" -d @blog.json

This POST request returns a JSON result:

http://localhost:9200/_search?q=adipiscing

This is the code I have that is not returning anything.

public class Connector
{
    private readonly ConnectionSettings _settings;
    private readonly ElasticClient _client;

    public Connector()
    {
        _settings = new ConnectionSettings("localhost", 9200);
        _settings.SetDefaultIndex("blog");
        _client = new ElasticClient(_settings);
    }

    public IEnumerable<BlogEntry> Search(string q)
    {
        var result =
            _client.Search<BlogEntry>(s => s.QueryString(q));

        return result.Documents.ToList();
    }
}

What am I missing? Thanks in advance ..

解决方案

NEST tries to guess the type and index name and in your case it will use /blog/blogentries

blog because that what you told the default index is and blogentries because it will lowercase and pluralize the type name you pass to Search<T>.

You can control which type and index like so:

 .Search<BlogEntry>(s=>s.AllIndices().Query(...));

This will let NEST know you actually want to search on all indices and so nest will translate it to /_search on the root, equal to the command you issued on curl.

What you most likely want is:

 .Search<BlogEntry>(s=>s.Type("posts").Query(...));

So that NEST searches in /blog/posts/_search

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