es-分析器

es-分析器

POST /analyzer_index
{
  "settings": {
    "index": {
      "analysis": {
        "analyzer":{
           "myCustomAnalyzer":{
             "type":"custom",
             "tokenizer":"myCustomTokenizer",
             "filter":["myCustomFilter1","myCustomFilter2"],
             "char_filter":["myCustomCharFilter"]
           }
        },
        "tokenizer":{
          "myCustomTokenizer":{
            "type":"letter"
          }
        },
        "filter":{
          "myCustomFilter1":{
            "type":"lowercase"
          },
          "myCustomFilter2":{
            "type":"kstem"
          }
        },
        "char_filter":{
          "myCustomCharFilter":{
            "type":"mapping",
            "mappings":["jingdong=>jd","360buy=>jd"]
          }
        }
      }
    }
  },
  "mappings":{
    "analyzer_type":{
      "properties":{
        "description":{
          "type":"string",
          "analyzer":"myCustomAnalyzer"
        }
      }
    }
  }
}


POST /analyzer_index
{
  "settings": {
    "index": {
      "analysis": {
        "analyzer":{
           "myCustomAnalyzer":{
             "type":"custom",
             "tokenizer":"myCustomTokenizer",
             "filter":["myCustomFilter2"],
             "char_filter":["myCustomCharFilter"]
           }
        },
        "tokenizer":{
          "myCustomTokenizer":{
            "type":"letter"
          }
        },
        "filter":{
          "myCustomFilter2":{
            "type":"kstem"
          }
        },
        "char_filter":{
          "myCustomCharFilter":{
            "type":"mapping",
            "mappings":["jingdong=>jd","360buy=>jd"]
          }
        }
      }
    }
  },
  "mappings":{
    "analyzer_type":{
      "properties":{
        "description":{
          "type":"string",
          "analyzer":"myCustomAnalyzer"
        }
      }
    }
  }
}

GET analyzer_index/_mapping

DELETE /analyzer_index
POST /analyzer_index/analyzer_type/_bulk
{"index":{"_id":"1"}}
{"description":"go shopping go 360buy"}
{"index":{"_id":"2"}}
{"description":"Go shopping go jingdong"}
{"index":{"_id":"3"}}
{"description":"go shopping go jd"}
{"index":{"_id":"4"}}
{"description":"go shopping"}


GET /analyzer_index/analyzer_type/_search

GET /analyzer_index/analyzer_type/_search
{
  "query": {
    "match": {
      "description": {
        "query":"360buy",
        "analyzer": "keyword"
      }
    }
  }
}

GET /analyzer_index/analyzer_type/_search
{
  "query": {
    "match": {
      "description": {
        "query":"360buy"
      }
    }
  }
}


##analyze text to token
#based on custom
GET _analyze
{
  "analyzer":"standard",
  "text":"go shopping for 360buy jd"
}

GET _analyze
{
  "tokenizer":"whitespace",
  "filters":["lowercase","reverse"],
  "text":"share your experience with NoSql & big data technologies"
}
#based on a analyzer of index
GET /analyzer_index/_analyze
{
  "analyzer":"myCustomAnalyzer",
  "text":"go shopping go jd"
}
#based on a filed
GET /analyzer_index/_analyze
{
  "field":"description",
  "text":"go shopping go 360buy"
}

#retrive term of document with id
GET /analyzer_index/analyzer_type/1/_termvectors
{
  "fields" : ["description"],
  "offsets" : true,
  "payloads" : true,
  "positions" : true,
  "term_statistics" : true,
  "field_statistics" : true
}
#why a document did not match
POST /analyzer_index/analyzer_type/1/_explain
{
  "query": {
    "match": {
      "description": "jd"
    }
  }
}