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Today, the editor will show you how to analyze the code of elasticsearch prefix matching. The knowledge points in the article are introduced in great detail. Friends who think it is helpful can browse the content of the article with the editor, hoping to help more friends who want to solve this problem to find the answer to the problem. Follow the editor to learn more about "how to analyze the code of elasticsearch prefix matching".

Curl-XDELETE 'http://localhost:9200/ess/';

Curl-XPOST 'http://localhost:9200/ess'-d' {

"analysis": {

"filter": {

"autocomplete_filter": {

"type": "edge_ngram"

"min_gram": 1

"max_gram": 20

"token_chars": ["whitespace"]

}

}

"analyzer": {

"autocomplete": {

"type": "custom"

"tokenizer": "whitespace"

"filter": [

"lowercase"

"autocomplete_filter"

]

}

"postsearch": {

"tokenizer": "keyword"

"filter": [

"lowercase"

]

}

}

}

}'

Curl-XPOST 'http://localhost:9200/ess/ess/_mapping'-d'

{

"ess": {

"properties": {

"id": {

"type": "long"

}

"fullname": {

"type": "string"

}

"allname": {

"type": "string"

"analyzer": "autocomplete"

"search_analyzer": "postsearch"

}

}

}

}'

Curl 'localhost:9200/ess/_analyze?pretty=1&analyzer=autocomplete'-d' zs zhangsan zsan zhangs Zhang San s zns'

Curl 'localhost:9200/ess/_analyze?pretty=1&analyzer=postsearch'-d 'Z'

Curl-XPOST http://localhost:9200/ess/ess/1-d'

{"fullname": "Zhang San", "allname": "zs zhangsan zsan zhangs Zhang San s zns"}

'

Curl-XPOST http://localhost:9200/ess/ess/2-d'

{"fullname": "Zhang Sanfeng", "allname": "zsf zhangsanfeng zsanfeng zhangsf Zhang Sanfeng Zhang sf znsf"}

'

Curl-XPOST http://localhost:9200/ess/ess/3-d'

{"fullname": "Li Sanfeng", "allname": "lsf lisanfeng lsanfeng lsf Li Sanfeng Li's lsf"}

'

Curl-XGET 'http://localhost:9200/ess/_search?pretty'-d' {

"query": {

"match": {

"allname": "Zhang S"

}

}

}'

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