ElasticSearch最简单的使用,过滤查询报错"no [query] registered for [filtered]"原因及解决办法

今天在使用ElasticSearch查询DSL过滤的时候,使用Sense创建了6个索引,如下

PUT http://localhost:9200/movies/movie/1
{
     
    "title": "The Godfather",
    "director": "Francis Ford Coppola",
    "year": 1972,
    "genres": ["Crime", "Drama"]
}

PUT http://localhost:9200/movies/movie/2
{
     
    "title": "The Godfather",
    "director": "Francis Ford Coppola",
    "year": 1972,
    "genres": ["Crime", "Drama"]    
}

PUT http://localhost:9200/movies/movie/3
{
     
    "title": "To Kill a Mockingbird",
    "director": "Robert Mulligan",
    "year": 1962,
    "genres": ["Crime", "Drama","Mystery"]    
}

PUT http://localhost:9200/movies/movie/4
{
     
    "title": "Apocalypse Now",
    "director": "Francis Ford Coppola",
    "year": 1979,
    "genres": ["Drama","War"]    
}

PUT http://localhost:9200/movies/movie/5
{
     
    "title": "Kill Bill: Vol. 1",
    "director": "Quentin Tarantino",
    "year": 2003,
    "genres": ["Action", "Crime","Thriller"]    
}

PUT http://localhost:9200/movies/movie/6
{
     
    "title": "The Assassination of Jesse James by the Coward Robert Ford",
    "director": "Andrew Dominik",
    "year": 2007,
    "genres": ["Biography","Crime", "Drama"]    
}

使用POST http://localhost:9200/movies/_search查询所有索引为movies的文档
ElasticSearch最简单的使用,过滤查询报错查询结果没问题,接下来加入查询条件,查询包含“drama”的文档

POST http://localhost:9200/_search
{
     
    "query": {
     
        "query_string": {
     
            "query": "drama"
        }
    }
}

ElasticSearch最简单的使用,过滤查询报错结果查到了5条,也没问题,然后再加查询条件,year为2007

POST http://localhost:9200/_search
{
     
    "query": {
     
        "filtered": {
     
            "query": {
     
                "query_string": {
     
                    "query": "drama"
                }
            },
            "filter": {
     
                "term": {
      "year": 2007 }
            }
        }
    }
}

结果出乎意料的报错:no [query] registered for [filtered]

{
     
   "error": {
     
      "root_cause": [
         {
     
            "type": "parsing_exception",
            "reason": "no [query] registered for [filtered]",
            "line": 3,
            "col": 21
         }
      ],
      "type": "parsing_exception",
      "reason": "no [query] registered for [filtered]",
      "line": 3,
      "col": 21
   },
   "status": 400
}

百度了一下,发现是因为过滤查询被弃用了,并在ES 5.0中删除,而我的ES版本正是5.2.0
在这里插入图片描述
接下来重点来了,用bool实现上面的条件查询(以下方式为本人自己尝试出来的,如有问题,请高调指出),直接上代码

POST http://localhost:9200/_search
{
     
    "query": {
     
        "bool": {
     
            "should": [
               {
     
                   "query_string": {
     
                      "query": "drama"
                   }
               }
            ],
            "must": [
               {
     
                   "term": {
     
                      "year":2007
                   }
               }
            ]
        }
    }
}

注意:上面代码中的"[ ]"是我用Sense工具自动生成的,可以去掉,让代码看起来稍微简洁一点点,代码如下

POST http://localhost:9200/_search
{
     
    "query": {
     
       "bool": {
     
            "should": 
             {
     
                  "query_string": {
     
                     "query": "drama"
                  }
              },
            "must": 
            {
     
                  "term": {
     
                     "year": 2007
                  }
             }
       }
    }
}

最终查询结果有1条数据:

{
     
   "took": 3,
   "timed_out": false,
   "_shards": {
     
      "total": 10,
      "successful": 10,
      "failed": 0
   },
   "hits": {
     
      "total": 1,
      "max_score": 1.1108563,
      "hits": [
         {
     
            "_index": "movies",
            "_type": "movie",
            "_id": "6",
            "_score": 1.1108563,
            "_source": {
     
               "title": "The Assassination of Jesse James by the Coward Robert Ford",
               "director": "Andrew Dominik",
               "year": 2007,
               "genres": [
                  "Biography",
                  "Crime",
                  "Drama"
               ]
            }
         }
      ]
   }
}

不要害怕出错,要多尝试不同属性的用法,答案就离自己不远了

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