一擦盾、mapping介紹

"""
mapping，類似于mysql的建表
"""
1淌哟、查看表結(jié)構(gòu)
   GET goods/fruit/_mapping
2迹卢、建立表結(jié)構(gòu)
   PUT my_index1
   {
       "mappings": {
           # 類型
           "doc": {
               # 是否為動態(tài)
               "dynamic": false,
               # 屬性
               "properties": {
                   "name": {"type": text},
                   "age": {"type": long}
               }
           }
       }
   }

二、dynamic關(guān)鍵字

"""
若dynamic=false徒仓，不用指定腐碱，可以隨時插入動態(tài)屬性；但是不會通過動態(tài)的屬性進(jìn)行查詢
若dynamic=true掉弛，不用指定症见，可以隨時插入動態(tài)屬性；會為所有的屬性創(chuàng)建索引
若dynamic=strict殃饿，必須添加指定的屬性谋作；添加動態(tài)的屬性時，會報錯
"""
   PUT my_Index1/doc/1
   {
       "name": "zqx",
       "age": 18
   }
   PUT my_Index1/doc/1
   {
       "name": "zzz",
       "age": 21,
       "school": "qinghua"
   }
   GET my_Index1/doc/1
   {
       "query": {  
           "match": {
               "school": "qinghua"
           }
       }
   }

三乎芳、copy_to關(guān)鍵字

"""
copy_to參數(shù)：把當(dāng)前的值復(fù)制給指定的字段遵蚜；所有的copy_to的值和對copy_to屬性賦的值都可以保留
"""
   PUT my_index2
   {
       "mappings": {
           "doc": {
               "dynamic": false,
               "properties": {
                   "first_name": {
                       "type": "text",
                       "copy_to": "full_name"
                   },
                   "last_name": {
                       "type": "text",
                       "copy_to": "full_name"
                   },
                   "full_name": {
                       "type": "text"
                   }
               }
           }
       }
   }
   PUT my_index2/doc/1
   {
       "first_name": "kitty",
       "last_name": "tomcat"
   }
   PUT my_index2/doc/2
   {
       "first_name": "kitty",
       "last_name": "python"
   }
   PUT my_index2/doc/3
   {
       "first_name": "kitty",
       "last_name": "php",
       "full_name": "haha"
   }
   GET my_index2/doc/3
   {
       "full_name": "kitty" # 有Kitty的3組/代替了first_name
     或"full_name": "python" # 有python的1組/代替了last_name
     或"full_name": "haha" # 有haha的1組/haha只有full_name有，無法代替
   }

三奈惑、index關(guān)鍵字

"""
index屬性谬晕，默認(rèn)為true；如果設(shè)置為false携取，則當(dāng)前屬性不能被創(chuàng)建索引
"""
   PUT my_index3/doc/4
   {
       "mappings": {
           "doc": {
               "dynamic": false
               "properties": {
                   "name": {
                       "type": "text",
                       "index": true
                   },
                   "add": {
                       "type": "text",
                       "index": false
                   }
               }
           }
       }
   }
   PUT my_index3/doc/4
   {
       "name": "kitty",
       "add": "beijing"
   }
   GET my_index3/doc/4
   {
       "query": {
           "match": {
               "add": "beijing" //報錯
           }
       }
   }

四攒钳、對象型屬性

"""
對象型屬性訪問方式為：.進(jìn)入下一級對象屬性
"""
   PUT my_Index4/doc/1
   {
       "name": "tom",
       "age": 18,
       "add": {
           "address": "beijing",
           "tel": "18088888888"
       }
   }
   PUT my_Index4/doc/1
   {
       "name": "zqx",
       "age": 21,
       "add": {
           "address": "beijing",
           "tel": "18066666666"
       }
   }
   GET my_Index4/_search
   {
       "query": {
           "match": {
               "add.address": "beijing"
           }
       }
   }