Merge pull request onebirdrocks#5 from onebirdrocks/master

更新

part-2/4.8-SpaceJam一个全文搜索的实例/README.md

@@ -1,4 +1,13 @@
 # Space Jam，一次全文搜索的实例
+
+## 环境要求
+- Python 2.7.15
+- 可以使用pyenv管理多个python版本（可选）
+
+## 进入 tmdb-search目录
+Run
+pip install -r requirements.txt
+Run python ./ingest_tmdb_from_file.py
 ## 课程demo
 ```
 POST tmdb/_search
@@ -27,3 +36,9 @@ POST tmdb/_search
     }
 }
 ```
+
+## 相关
+- Windows 安装 pyenv https://github.com/pyenv-win/pyenv-win
+- Mac 安装pyenv https://segmentfault.com/a/1190000017403221
+- Linux 安装 pyenv https://blog.csdn.net/GX_1_11_real/article/details/80237064
+- Python.org https://www.python.org/

part-2/7.1-对象及 Nested 对象/README.md

@@ -0,0 +1,229 @@
+# 对象及Nested对象
+## 课程demos
+```
+DELETE blog
+# 设置blog的 Mapping
+PUT /blog
+{
+  "mappings": {
+    "properties": {
+      "content": {
+        "type": "text"
+      },
+      "time": {
+        "type": "date"
+      },
+      "user": {
+        "properties": {
+          "city": {
+            "type": "text"
+          },
+          "userid": {
+            "type": "long"
+          },
+          "username": {
+            "type": "keyword"
+          }
+        }
+      }
+    }
+  }
+}
+
+
+# 插入一条 Blog 信息
+PUT blog/_doc/1
+{
+  "content":"I like Elasticsearch",
+  "time":"2019-01-01T00:00:00",
+  "user":{
+    "userid":1,
+    "username":"Jack",
+    "city":"Shanghai"
+  }
+}
+
+
+# 查询 Blog 信息
+POST blog/_search
+{
+  "query": {
+    "bool": {
+      "must": [
+        {"match": {"content": "Elasticsearch"}},
+        {"match": {"user.username": "Jack"}}
+      ]
+    }
+  }
+}
+
+
+DELETE my_movies
+
+# 电影的Mapping信息
+PUT my_movies
+{
+      "mappings" : {
+      "properties" : {
+        "actors" : {
+          "properties" : {
+            "first_name" : {
+              "type" : "keyword"
+            },
+            "last_name" : {
+              "type" : "keyword"
+            }
+          }
+        },
+        "title" : {
+          "type" : "text",
+          "fields" : {
+            "keyword" : {
+              "type" : "keyword",
+              "ignore_above" : 256
+            }
+          }
+        }
+      }
+    }
+}
+
+
+# 写入一条电影信息
+POST my_movies/_doc/1
+{
+  "title":"Speed",
+  "actors":[
+    {
+      "first_name":"Keanu",
+      "last_name":"Reeves"
+    },
+
+    {
+      "first_name":"Dennis",
+      "last_name":"Hopper"
+    }
+
+  ]
+}
+
+# 查询电影信息
+POST my_movies/_search
+{
+  "query": {
+    "bool": {
+      "must": [
+        {"match": {"actors.first_name": "Keanu"}},
+        {"match": {"actors.last_name": "Hopper"}}
+      ]
+    }
+  }
+
+}
+
+DELETE my_movies
+# 创建 Nested 对象 Mapping
+PUT my_movies
+{
+      "mappings" : {
+      "properties" : {
+        "actors" : {
+          "type": "nested",
+          "properties" : {
+            "first_name" : {"type" : "keyword"},
+            "last_name" : {"type" : "keyword"}
+          }},
+        "title" : {
+          "type" : "text",
+          "fields" : {"keyword":{"type":"keyword","ignore_above":256}}
+        }
+      }
+    }
+}
+
+
+POST my_movies/_doc/1
+{
+  "title":"Speed",
+  "actors":[
+    {
+      "first_name":"Keanu",
+      "last_name":"Reeves"
+    },
+
+    {
+      "first_name":"Dennis",
+      "last_name":"Hopper"
+    }
+
+  ]
+}
+
+# Nested 查询
+POST my_movies/_search
+{
+  "query": {
+    "bool": {
+      "must": [
+        {"match": {"title": "Speed"}},
+        {
+          "nested": {
+            "path": "actors",
+            "query": {
+              "bool": {
+                "must": [
+                  {"match": {
+                    "actors.first_name": "Keanu"
+                  }},
+
+                  {"match": {
+                    "actors.last_name": "Hopper"
+                  }}
+                ]
+              }
+            }
+          }
+        }
+      ]
+    }
+  }
+}
+
+
+# Nested Aggregation
+POST my_movies/_search
+{
+  "size": 0,
+  "aggs": {
+    "actors": {
+      "nested": {
+        "path": "actors"
+      },
+      "aggs": {
+        "actor_name": {
+          "terms": {
+            "field": "actors.first_name",
+            "size": 10
+          }
+        }
+      }
+    }
+  }
+}
+
+
+# 普通 aggregation不工作
+POST my_movies/_search
+{
+  "size": 0,
+  "aggs": {
+    "NAME": {
+      "terms": {
+        "field": "actors.first_name",
+        "size": 10
+      }
+    }
+  }
+}
+
+```