使用Elasticsearch进行布尔查询 [英] Boolean Query with Elasticsearch

问题描述

我当前正在使用以下查询-

I am currently using the following query -

{
    "_source": [
        "title",
        "bench",
        "id_",
        "court",
        "date",
        "content"
    ],
    "size": 15,
    "from": 0,
    "query": {
        "bool": {
            "must": [
                {
                    "multi_match": {
                        "query": "the",
                        "fields": [

                            "content"
                        ], "operator": "and"
                    }
                },

            ],
            "should": {
                "multi_match": {
                    "query": "the",
                    "fields": [
                        "content.standard^2"
                    ], "operator": "and"
                }
            }
        }
    }
    ,
    "highlight": {
        "pre_tags": [
            "<tag1>"
        ],
        "post_tags": [
            "</tag1>"
        ],
        "fields": {
            "content": {}
        },
        "fragment_size": 100
    }
}

具有以下映射

{
    "courts_2": {
        "mappings": {
            "properties": {
                "author": {
                    "type": "text",
                    "analyzer": "my_analyzer"
                },
                "bench": {
                    "type": "text",
                    "analyzer": "my_analyzer"
                },
                "citation": {
                    "type": "text"
                },
                "content": {
                    "type": "text",
                    "fields": {
                        "standard": {
                            "type": "text"
                        }
                    },
                    "analyzer": "my_analyzer"
                },
                "court": {
                    "type": "text"
                },
                "date": {
                    "type": "text"
                },
                "id_": {
                    "type": "text"
                },
                "title": {
                    "type": "text",
                    "fields": {
                        "standard": {
                            "type": "text"
                        }
                    },
                    "analyzer": "my_analyzer"
                },
                "verdict": {
                    "type": "text"
                }
            }
        }
    }
}

我的分析仪是 Metaphone 分析器。
这是我的目标。我希望完全匹配（标准）首先出现，然后是语音匹配。我能够用代码实现。我非常确定其中有一些不需要的逻辑，如果有人可以指出它，我将深表感谢。

My analyzer is a Metaphone analyzer. Here is my Aim. I want the exact matches ( standard ) to appear first, followed by phonetic ones. I am able to achieve that with the code. I am pretty sure that there is (are) some unwanted logic in this and would deeply appreciate if someone can point to it.

此外，我想加入的是用户可以输入搜索逻辑的搜索逻辑，例如

Additionally what I would like to incorporate is a search logic where a user can enter a search like

皇家马德里和巴塞罗那或曼联。
在这里，我希望所有包含皇家马德里和巴塞罗纳/曼联/的文件都可以使用已有的当前查询（经过修改）如何实现？

Real Madrid AND Barcelona OR Manchester United. Here I want all documents that contain Real Madrid and either Barcelona/Man Utd/ How do I achieve with the current query I have in place (with modifications)?

推荐答案

我在您的查询中看不到任何副作用。关于您的搜索逻辑，最简单的方法可能是使用查询字符串查询。默认情况下，它支持布尔运算符，因此您的查询可能类似于：

I can't see any sideeffects in your query. Regarding your search logic, the simplest approach would probably by using a query string query instead. It supports boolean operators by default, so your query could look something like this:

{
    "_source": [
        "title",
        "bench",
        "id_",
        "court",
        "date",
        "content"
    ],
    "size": 15,
    "from": 0,
    "query": {
        "bool": {
            "must": [
                {
                    "query_string" : {
                        "query" : "Real Madrid AND Barcelona OR Manchester United",
                        "fields" : ["content", "title"],
                        "operator": "and"
                    }
                }
            ],
            "should": {
                "query_string" : {
                    "query" : "Real Madrid AND Barcelona OR Manchester United",
                    "fields" : ["content.standard", "title.standard"],
                    "boost": 2,
                    "operator": "and"
                }
            }
        }
    },
    "highlight": {
        "pre_tags": [
            "<tag1>"
        ],
        "post_tags": [
            "</tag1>"
        ],
        "fields": {
            "content": {}
        },
        "fragment_size": 100
    }
}

否则，您将不得不解析查询并使用多个布尔查询为操作员建模。

Otherwise you would have to parse your query and model the operators with multiple bool queries.

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