这是我的建议（同样，您需要启用脚本）：
PUT /test
{
"settings": {
"analysis": {
"analyzer": {
"autocomplete": {
"type": "custom",
"tokenizer": "standard",
"filter": [
"standard",
"lowercase",
"ngram"
]
},
"search_ngram": {
"type": "custom",
"tokenizer": "keyword",
"filter": "lowercase"
}
},
"filter": {
"ngram": {
"type": "ngram",
"min_gram": 2,
"max_gram": 15
}
}
}
},
"mappings": {
"test": {
"properties": {
"text": {
"type": "string",
"index_analyzer": "autocomplete",
"search_analyzer": "search_ngram",
"index_options": "positions",
"fields": {
"not_analyzed_sorting": {
"type": "string",
"index": "not_analyzed"
}
}
}
}
}
}
}
POST test/test/_bulk
{"index":{"_id":1}}
{"text":"Paracetamol"}
{"index":{"_id":2}}
{"text":"Paracetamol xxx yyy zzz"}
{"index":{"_id":3}}
{"text":"Parafin"}
{"index":{"_id":4}}
{"text":"LIQUID PARAFFIN"}
{"index":{"_id":5}}
{"text":"ISOMETHEPTENE WITH PARACETAMOL"}
GET /test/test/_search
{
"query": {
"match": {
"text": "Para"
}
},
"sort": [
{
"_script": {
"type": "number",
"script": "termInfo=_index[field_to_search].get(term_to_search.toLowerCase(),_POSITIONS);if (termInfo) {for(pos in termInfo){return pos.position}};return 0;",
"params": {
"term_to_search": "Para",
"field_to_search": "text"
},
"order": "asc"
}
},
{
"text.not_analyzed_sorting": {
"order": "asc"
}
}
]
}
对于您的更新问题， 即使我希望再发表一则文章 ，也可以使用以下查询：
{
"query": {
"match": {
"text": "Para"
}
},
"sort": [
{
"_script": {
"type": "number",
"script": "termInfo=_index[field_to_search].get(term_to_search.toLowerCase(),_POSITIONS);if (termInfo) {for(pos in termInfo){if (pos.position==0) return pos.position; else return java.lang.Integer.MAX_VALUE}};return java.lang.Integer.MAX_VALUE;",
"params": {
"term_to_search": "Para",
"field_to_search": "text"
},
"order": "asc"
}
},
{
"text.not_analyzed_sorting": {
"order": "asc"
}
}
]
}
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