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我有一个类型的定义如下 “taggeable”:弹性搜索更多类似这样的查询与过滤器将结果
{
"mappings": {
"taggeable" : {
"_all" : {"enabled" : false},
"properties" : {
"category" : {
"type" : "string"
},
"tags" : {
"type" : "string",
"term_vector" : "yes"
}
}
}
}
}
我也有这个5号文件:
Document1 (tags: "t1 t2", category: "cat1")
Document2 (tags: "t1" , category: "cat1")
Document3 (tags: "t1 t3", category: "cat1")
Document4 (tags: "t4" , category: "cat1")
Document5 (tags: "t4" , category: "cat2")
以下查询:
{
"query": {
"more_like_this" : {
"fields" : ["tags"],
"like" : ["t1", "t2"],
"min_term_freq" : 1,
"min_doc_freq": 1
}
}
}
将返回:
Document1 (tags: "t1 t2", category: "cat1")
Document2 ("t1", category: "cat1")
Document3 ("t1 t3", category: "cat1")
这是正确的,但此查询:
{
"query": {
"filtered": {
"query": {
"more_like_this" : {
"fields" : ["tags"],
"like" : ["t1", "t2"],
"min_term_freq" : 1,
"min_doc_freq": 1
},
"filter": {
"bool": {
"must": [
{"match": { "category": "cat1"}}
]
}
}
}
} }
是返回:
Document1 (tags: "t1 t2", category: "cat1")
Document4 (tags: "t4" , category: "cat1")
Document2 (tags: "t1" , category: "cat1")
Document3 (tags: "t1 t3", category: "cat1")
这,Document4现在是也被检索出来并且它的分数与Documen1相似,这是一个完美的匹配,即使Document4没有包含在“t1 t2”中的任何单词。
任何人都知道发生了什么?我使用的是弹性搜寻提前
我希望查询失败,如果有一个额外的孩子或其他错误。谢谢。 – italktothewind