{
  "schema": {
    "bsonType": "object",
    "description": "记录登录用户的会话日志",
    "required": [],
    "permission": {
      "read": false,
      "create": false,
      "update": false,
      "delete": false
    },
    "properties": {
      "_id": {
        "description": "ID，系统自动生成"
      },
      "appid": {
        "bsonType": "string",
        "description": "客户端携带的应用ID"
      },
      "version": {
        "bsonType": "string",
        "description": "客户端上报的应用版本号"
      },
      "platform": {
        "bsonType": "string",
        "description": "客户端上报的平台code"
      },
      "channel": {
        "bsonType": "string",
        "description": "客户端上报的渠道code/场景值"
      },
      "session_id": {
        "bsonType": "string",
        "description": "访问会话日志ID，对应uni-stat-session-logs._id",
        "foreignKey": "uni-stat-session-logs._id"
      },
      "uid": {
        "bsonType": "string",
        "description": "本次会话最终访问用户的ID, uni-id-users._id"
      },
      "last_visit_time": {
        "bsonType": "timestamp",
        "description": "用户最后一次访问时间"
      },
      "entry_page_id": {
        "bsonType": "string",
        "description": "本次会话入口页面ID, 同uni-stat-pagesd"
      },
      "exit_page_id": {
        "bsonType": "string",
        "description": "本次会话退出页面ID, 同uni-stat-pagesd"
      },
      "page_count": {
        "bsonType": "int",
        "description": "本次会话浏览的页面数"
      },
      "event_count": {
        "bsonType": "int",
        "description": "本次会话产生的事件数"
      },
      "duration": {
        "bsonType": "int",
        "description": "本次会话时长，单位为秒，服务端计算"
      },
      "is_finish": {
        "bsonType": "int",
        "defaultValue": 0,
        "description": "本次会话是否结束，0：否，1是",
        "enum": [{
          "text": "否",
          "value": 0
        }, {
          "text": "是",
          "value": 1
        }]
      },
      "create_time": {
        "bsonType": "timestamp",
        "description": "创建时间"
      }
    }
  },
  "index": [{
    "IndexName": "index_search_time",
    "MgoKeySchema": {
      "MgoIndexKeys": [{
        "Name": "create_time",
        "Direction": "1"
      }],
      "MgoIsUnique": false
    }
  }, {
    "IndexName": "index_search_base",
    "MgoKeySchema": {
      "MgoIndexKeys": [{
        "Name": "appid",
        "Direction": "1"
      }, {
        "Name": "version",
        "Direction": "1"
      }, {
        "Name": "platform",
        "Direction": "1"
      }, {
        "Name": "channel",
        "Direction": "1"
      }],
      "MgoIsUnique": false
    }
  }, {
    "IndexName": "index_search_auto",
    "MgoKeySchema": {
      "MgoIndexKeys": [{
        "Name": "appid",
        "Direction": "1"
      }, {
        "Name": "version",
        "Direction": "1"
      }, {
        "Name": "platform",
        "Direction": "1"
      }, {
        "Name": "channel",
        "Direction": "1"
      }, {
        "Name": "create_time",
        "Direction": "1"
      }],
      "MgoIsUnique": false
    }
  }, {
    "IndexName": "index_search_more",
    "MgoKeySchema": {
      "MgoIndexKeys": [{
        "Name": "appid",
        "Direction": "1"
      }, {
        "Name": "version",
        "Direction": "1"
      }, {
        "Name": "platform",
        "Direction": "1"
      }, {
        "Name": "channel",
        "Direction": "1"
      }, {
        "Name": "uid",
        "Direction": "1"
      }, {
        "Name": "create_time",
        "Direction": "1"
      }],
      "MgoIsUnique": false
    }
  }]
}