查找弹性搜索中我们有一行字符的次数 [英] Find number of times we have a character in a row in elastic search

问题描述

我正在进行弹性搜索，并且面临一个问题，即搜索记录中连续出现多少个单词。 / p>

  {
 {user：Aniket，postDate：2016-04-26身体：我们昨天讨论一次搜索，标题：一次性单词} 
}，
 {
user：aniket，postDate ：2016-04-26，身体：分布很难，分布应该很简单，单词字词，标题：四次字} 
}，
 { 用户：aniket，postDate：2016-04-26，body：分布很难，分发应该是easy.word word word，title：Three times word} 
}，
 {user：aniket，
postDate：2016-04-26，
body：发行很难，分配应该是简单字词，
title：两次字
} 
  

我在用户aniket以下有四行，我们在每一行都有单词，但有时它会出现二，三，四或一次。
我需要结果，如果我搜索单词，我们在结果中发现单词四次，比顶部如下：
1.单词单词单词
2。词语单词
3.单词
4.单词
我尝试了分数，但分数不会为我提供与之相关的任何信息。

解决方案

您需要脚本排序。这样的东西：

 sort：{
_script：{
type number，
script：termInfo = _index ['body'] [term] .tf（）; return termInfo;，
params：{
term ：word
}，
lang：groovy，
order：desc
} 
} 
  

并在 elasticsearch.yml 文件中启用Groovy脚本：

  script.groovy.sandbox.enabled：true 
  

而且，您还需要使用适当的分析器。对于你的情况，例如，使用标准分析器（默认情况下），您将不会在 easy.word 。为了使排序工作，您需要一个分析器，例如。。

I am working on elasticsearch and facing an issue that how many time a word comes in a row at the time search records.

Like I have following rows:

{
 { "user":"Aniket", "postDate":"2016-04-26","body":"Search as we discuss yesterday one time word", "title":"One time word"}
    }, 
{
 "user": "aniket", "postDate": "2016-04-26", "body": "Distribution is hard. Distribution should be easy.word word word word" , "title": "Four times word"}
    }, 
{"user": "aniket", "postDate": "2016-04-26", "body": "Distribution is hard. Distribution should be easy.word word word" , "title": "Three times word"}
    }, 
{"user": "aniket", 
    "postDate": "2016-04-26", 
    "body": "Distribution is hard. Distribution should be easy.word word" ,
    "title": "Two times word"
}

I have above four rows under user aniket and we have "word" in each row but sometimes it goes two,three,four or one time. I need the result like if I search for "word" and we found word four times in the result than it will come at the top like: 1. word word word word 2. word word word 3. word word 4. word I tried with score too but score is not going to provide me any information related to that.

解决方案

You need script sorting. Something like this:

  "sort": {
    "_script": {
      "type": "number",
      "script": "termInfo=_index['body'][term].tf();return termInfo;",
      "params": {
        "term": "word"
      },
      "lang": "groovy",
      "order": "desc"
    }
  }

And enable Groovy scripting in elasticsearch.yml file:

script.groovy.sandbox.enabled: true

And, also, you need to use a proper analyzer. For you case, for example, using the standard analyzer (the default one) you won't get a split at easy.word. For that sorting to work, you'd need an analyzer that will split at . for example.

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