我有以下查询:
GET /nameofmyindex/_analyze
{
"text" : "Limousinetesting",
"explain": true,
"analyzer": "default"
}
这导致:
{
"detail" : {
"custom_analyzer" : true,
"charfilters" : [ ],
"tokenizer" : {
"name" : "standard",
"tokens" : [
{
"token" : "Limousinetesting",
"start_offset" : 0,
"end_offset" : 16,
"type" : "<ALPHANUM>",
"position" : 0,
"bytes" : "[4c 69 6d 6f 75 73 69 6e 65 74 65 73 74 69 6e 67]",
"positionLength" : 1,
"termFrequency" : 1
}
]
},
"tokenfilters" : [ ]
}
}
我的索引配置如下所示:
{
"nameofmyindex":{
"aliases":{
},
"mappings":{
"properties":{
"author":{
"type":"integer"
},
"body:value":{
"type":"text",
"fields":{
"keyword":{
"type":"keyword",
"ignore_above":256
}
}
},
"changed":{
"type":"date",
"format":"epoch_second"
},
"created":{
"type":"date",
"format":"epoch_second"
},
"id":{
"type":"keyword"
},
"promote":{
"type":"boolean"
},
"search_api_language":{
"type":"keyword"
},
"sticky":{
"type":"boolean"
},
"title":{
"type":"text",
"boost":5.0,
"fields":{
"keyword":{
"type":"keyword",
"ignore_above":256
}
}
},
"type":{
"type":"keyword"
}
}
},
"settings":{
"index":{
"number_of_shards":"1",
"provided_name":"nameofmyindex",
"creation_date":"1579792687839",
"analysis":{
"filter":{
"stop":{
"type":"stop",
"stopwords":[
"i",
"me",
"my",
"myself"
]
},
"synonym":{
"type":"synonym",
"lenient":"true",
"synonyms":[
"P-Card, P Card => P-Card",
"limousinetesting => limousine"
]
}
},
"analyzer":{
"default":{
"type":"custom",
"filters":[
"lowercase",
"stop",
"synonym"
],
"tokenizer":"standard"
}
}
},
"number_of_replicas":"1",
"uuid":"QTlVnyWVRLayEfPWTrcgdg",
"version":{
"created":"7050199"
}
}
}
}
}
如您所见,带有过滤器的默认分析器无效,“Limousinetesting”这个词没有收到它的“limousine”同义词。
分析仪应该如何看起来过滤器有效?即使是最简单的过滤器,在这种情况下也不会出现小写。