es - elasticsearch search - DSL - span - span_multi

世界上并没有完美的程序，但是我们并不因此而沮丧，因为写程序就是一个不断追求完美的过程。

问：span_multi有什么特点？

答：

问：span_multi如何使用？

答：

# span_multi
PUT /span_multi_test
{
  "mappings": {
    "properties": {
      "name": {
        "type"  : "text",
        "fields": {
          "eng": {
            "type"    : "text",
            "analyzer": "english"
          }
        }
      },
      "age": {
        "type": "text"
      }
    }
  }
}

# 索引
POST /span_multi_test/_doc/1
{
  "name": "hello good me foxes",
  "age" : "18"
}

# 索引
POST /span_multi_test/_doc/2
{
  "name": "hello1 good me",
  "age" : "28"
}

# 索引
POST /span_multi_test/_doc/3
{
  "name": "hello1 good1 foxes me",
  "age" : "58"
}

# 索引
POST /span_multi_test/_doc/4
{
  "name": "hello1 good1 me1",
  "age" : "88"
}

# 索引
POST /span_multi_test/_doc/5
{
  "name": "hello1 foxes good me1",
  "age" : "66"
}


# 搜索
GET /span_multi_test/_search
{
  "query": {
    "span_multi": {
      "match": {
        "prefix": {
          "name.eng": {
            "value": "fo"
          }
        }
      }
    }
  }
}

# 结果
{
  "took" : 10,
  "timed_out" : false,
  "_shards" : {
    "total" : 1,
    "successful" : 1,
    "skipped" : 0,
    "failed" : 0
  },
  "hits" : {
    "total" : {
      "value" : 3,
      "relation" : "eq"
    },
    "max_score" : 0.42599016,
    "hits" : [
      {
        "_index" : "span_multi_test",
        "_type" : "_doc",
        "_id" : "1",
        "_score" : 0.42599016,
        "_source" : {
          "name" : "hello good me foxes",
          "age" : "18"
        }
      },
      {
        "_index" : "span_multi_test",
        "_type" : "_doc",
        "_id" : "3",
        "_score" : 0.42599016,
        "_source" : {
          "name" : "hello1 good1 foxes me",
          "age" : "58"
        }
      },
      {
        "_index" : "span_multi_test",
        "_type" : "_doc",
        "_id" : "5",
        "_score" : 0.42599016,
        "_source" : {
          "name" : "hello1 foxes good me1",
          "age" : "66"
        }
      }
    ]
  }
}


# 搜索
GET /span_multi_test/_search
{
  "query": {
    "span_multi": {
      "match": {
        "wildcard": {
          "name": {
            "value": "goo*"
          }
        }
      }
    }
  }
}

# 结果
{
  "took" : 0,
  "timed_out" : false,
  "_shards" : {
    "total" : 1,
    "successful" : 1,
    "skipped" : 0,
    "failed" : 0
  },
  "hits" : {
    "total" : {
      "value" : 5,
      "relation" : "eq"
    },
    "max_score" : 1.5896939,
    "hits" : [
      {
        "_index" : "span_multi_test",
        "_type" : "_doc",
        "_id" : "2",
        "_score" : 1.5896939,
        "_source" : {
          "name" : "hello1 good me",
          "age" : "28"
        }
      },
      {
        "_index" : "span_multi_test",
        "_type" : "_doc",
        "_id" : "4",
        "_score" : 1.5896939,
        "_source" : {
          "name" : "hello1 good1 me1",
          "age" : "88"
        }
      },
      {
        "_index" : "span_multi_test",
        "_type" : "_doc",
        "_id" : "1",
        "_score" : 1.418691,
        "_source" : {
          "name" : "hello good me foxes",
          "age" : "18"
        }
      },
      {
        "_index" : "span_multi_test",
        "_type" : "_doc",
        "_id" : "3",
        "_score" : 1.418691,
        "_source" : {
          "name" : "hello1 good1 foxes me",
          "age" : "58"
        }
      },
      {
        "_index" : "span_multi_test",
        "_type" : "_doc",
        "_id" : "5",
        "_score" : 1.418691,
        "_source" : {
          "name" : "hello1 foxes good me1",
          "age" : "66"
        }
      }
    ]
  }
}


# 搜索
GET /span_multi_test/_search
{
  "query": {
    "span_multi": {
      "match": {
        "fuzzy": {
          "name": {
            "value"    : "he",
            "fuzziness": 5
          }
        }
      }
    }
  }
}

# 结果
{
  "took" : 10,
  "timed_out" : false,
  "_shards" : {
    "total" : 1,
    "successful" : 1,
    "skipped" : 0,
    "failed" : 0
  },
  "hits" : {
    "total" : {
      "value" : 5,
      "relation" : "eq"
    },
    "max_score" : 1.497693,
    "hits" : [
      {
        "_index" : "span_multi_test",
        "_type" : "_doc",
        "_id" : "2",
        "_score" : 1.497693,
        "_source" : {
          "name" : "hello1 good me",
          "age" : "28"
        }
      },
      {
        "_index" : "span_multi_test",
        "_type" : "_doc",
        "_id" : "4",
        "_score" : 1.497693,
        "_source" : {
          "name" : "hello1 good1 me1",
          "age" : "88"
        }
      },
      {
        "_index" : "span_multi_test",
        "_type" : "_doc",
        "_id" : "1",
        "_score" : 1.3365866,
        "_source" : {
          "name" : "hello good me foxes",
          "age" : "18"
        }
      },
      {
        "_index" : "span_multi_test",
        "_type" : "_doc",
        "_id" : "3",
        "_score" : 1.3365866,
        "_source" : {
          "name" : "hello1 good1 foxes me",
          "age" : "58"
        }
      },
      {
        "_index" : "span_multi_test",
        "_type" : "_doc",
        "_id" : "5",
        "_score" : 1.3365866,
        "_source" : {
          "name" : "hello1 foxes good me1",
          "age" : "66"
        }
      }
    ]
  }
}

# 搜索
GET /span_multi_test/_search
{
  "query": {
    "span_multi": {
      "match": {
        "range": {
          "age": {
            "gte": 10,
            "lte": 77
          }
        }
      }
    }
  }
}

# 结果
{
  "took" : 0,
  "timed_out" : false,
  "_shards" : {
    "total" : 1,
    "successful" : 1,
    "skipped" : 0,
    "failed" : 0
  },
  "hits" : {
    "total" : {
      "value" : 4,
      "relation" : "eq"
    },
    "max_score" : 5.6509542,
    "hits" : [
      {
        "_index" : "span_multi_test",
        "_type" : "_doc",
        "_id" : "1",
        "_score" : 5.6509542,
        "_source" : {
          "name" : "hello good me foxes",
          "age" : "18"
        }
      },
      {
        "_index" : "span_multi_test",
        "_type" : "_doc",
        "_id" : "2",
        "_score" : 5.6509542,
        "_source" : {
          "name" : "hello1 good me",
          "age" : "28"
        }
      },
      {
        "_index" : "span_multi_test",
        "_type" : "_doc",
        "_id" : "3",
        "_score" : 5.6509542,
        "_source" : {
          "name" : "hello1 good1 foxes me",
          "age" : "58"
        }
      },
      {
        "_index" : "span_multi_test",
        "_type" : "_doc",
        "_id" : "5",
        "_score" : 5.6509542,
        "_source" : {
          "name" : "hello1 foxes good me1",
          "age" : "66"
        }
      }
    ]
  }
}


# 搜索
GET /span_multi_test/_search
{
  "query": {
    "span_multi": {
      "match": {
        "regexp": {
          "age": "[0-9]{2}"
        }
      }
    }
  }
}

# 结果
{
  "took" : 0,
  "timed_out" : false,
  "_shards" : {
    "total" : 1,
    "successful" : 1,
    "skipped" : 0,
    "failed" : 0
  },
  "hits" : {
    "total" : {
      "value" : 5,
      "relation" : "eq"
    },
    "max_score" : 7.1913996,
    "hits" : [
      {
        "_index" : "span_multi_test",
        "_type" : "_doc",
        "_id" : "1",
        "_score" : 7.1913996,
        "_source" : {
          "name" : "hello good me foxes",
          "age" : "18"
        }
      },
      {
        "_index" : "span_multi_test",
        "_type" : "_doc",
        "_id" : "2",
        "_score" : 7.1913996,
        "_source" : {
          "name" : "hello1 good me",
          "age" : "28"
        }
      },
      {
        "_index" : "span_multi_test",
        "_type" : "_doc",
        "_id" : "3",
        "_score" : 7.1913996,
        "_source" : {
          "name" : "hello1 good1 foxes me",
          "age" : "58"
        }
      },
      {
        "_index" : "span_multi_test",
        "_type" : "_doc",
        "_id" : "4",
        "_score" : 7.1913996,
        "_source" : {
          "name" : "hello1 good1 me1",
          "age" : "88"
        }
      },
      {
        "_index" : "span_multi_test",
        "_type" : "_doc",
        "_id" : "5",
        "_score" : 7.1913996,
        "_source" : {
          "name" : "hello1 foxes good me1",
          "age" : "66"
        }
      }
    ]
  }
}