基于词项和基于全文的搜索

DELETE products

PUT products
{
  "settings": {
    "number_of_shards": 1,
    "number_of_replicas": 0
  }
}


POST /products/_bulk
{ "index": { "_id": 1 }}
{ "productID" : "XHDK-A-1293-#fJ3","desc":"iPhone" }
{ "index": { "_id": 2 }}
{ "productID" : "KDKE-B-9947-#kL5","desc":"iPad" }
{ "index": { "_id": 3 }}
{ "productID" : "JODL-X-1937-#pV7","desc":"MBP" }

GET /products

POST /products/_search
{
  "query": {
    "term": {
      "desc": {
        //"value": "iPhone" # 查询不出来，因为经过分词后是小写的了
        "value":"iphone" # 可以查询出来
      }
    }
  }
}

POST /products/_search
{
  "query": {
    "term": {
      "desc.keyword": {
        //"value": "iPhone" # 可以查询出来，keyword表示精确查找
        //"value":"iphone" # 查询不出来
      }
    }
  }
}


POST /products/_search 
{
  "query": {
    "term": {
      "productID": {
        "value": "XHDK-A-1293-#fJ3" # 查询不出来
      }
    }
  }
}

POST /products/_search
{
  //"explain": true, # 显示详细的查询经过
  "query": {
    "term": {
      "productID.keyword": {
        "value": "XHDK-A-1293-#fJ3" # 可以查询出来
      }
    }
  }
}

POST /products/_search
{
  "explain": true,
  "query": {
    "constant_score": {
      "filter": {
        "term": {
          "productID.keyword": "XHDK-A-1293-#fJ3"
        }
      }

    }
  }
}

PUT groups
{
  "mappings": {
    "properties": {
      "names": {
        "type": "text",
        "position_increment_gap": 0
      }
    }
  }
}

GET groups/_mapping

POST groups/_doc
{
  "names": [
    "John Water",
    "Water Smith"
  ]
}


# 可以查询出来数据
POST groups/_search
{
  "query": {
    "match_phrase": {
      "names": {
        "query": "Water Water",
        "slop": 100
      }
    }
  }
}

# 可以查询出来数据
POST groups/_search
{
  "query": {
    "match_phrase": {
      "names": "Water Smith"
    }
  }
}