[英]Elastic Search query string exclude field from search scoring
I am trying to exclude a certain field from being scored in when using Elastic Search, using the Java API. 我试图使用Java API在使用Elastic Search时排除某些字段,使其无法计入分数。
For example, two documents: 例如,两个文档:
{
"id": 1,
"bar": "foo",
"exclude_this": "filler"
},
{
"id": 2,
"bar": "different",
"exclude_this": "something else"
}
Currently, I am constructing the query like this: 当前,我正在构建这样的查询:
BoolQueryBuilder boolQueryBuilder = QueryBuilders.boolQuery();
boolQueryBuilder.must(QueryBuilders.queryStringQuery(query)
.defaultOperator(Operator.AND));
Where query
is some ElasticSearch query string. 其中
query
是一些ElasticSearch查询字符串。 Needless to say, I do not want exclude_this
to affect search results. 不用说,我不希望
exclude_this
影响搜索结果。 However, if for example String query = "filler"
, then I don't want the object 1 showing up - in that case, I want nothing to match. 但是,例如,如果
String query = "filler"
,那么我不希望显示对象1-在这种情况下,我什么也不想匹配。 I tried to use the fields
method, which was recommended in the documentation as the way to accomplish this: 我尝试使用
fields
方法,该方法在文档中建议作为完成此操作的方法:
Map<String, Float> fieldsToQuery = new HashMap<>();
fieldsToQuery.put("bar", 1f);
BoolQueryBuilder boolQueryBuilder = QueryBuilders.boolQuery();
boolQueryBuilder.must(QueryBuilders.queryStringQuery(query)
.defaultOperator(Operator.AND))
.fields(fieldsToQuery);
However after doing this, on everything except wildcard searches, I get no results from searches; 但是,这样做之后,在通配符搜索之外的所有内容上,搜索都没有结果。 even when
String query = "foo"
, then I will get nothing, as if every field is being excluded. 即使当
String query = "foo"
,也不会得到任何结果,就像每个字段都被排除在外一样。
Any help? 有什么帮助吗?
To my opinion if I understand correct what you want, this is something you could use: 我认为,如果我理解正确的要求,可以使用以下方法:
BoolQueryBuilder boolQueryBuilder = QueryBuilders.boolQuery();
boolQueryBuilder.must(QueryBuilders
.multiMatchQuery("search text", "bar", "id")
.operator(Operator.AND)
);
boolQueryBuilder.mustNot(QueryBuilders
.matchQuery("exclude_this", "search text")
.operator(Operator.AND)
);
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