// 应用会话日志表
{
	"bsonType": "object",
	"description": "记录设备访问时产生的会话日志",
	"required": [],
	"permission": {
		"read": false,
		"create": false,
		"update": false,
		"delete": false
	},
	"properties": {
		"_id": {
			"description": "ID，系统自动生成"
		},
		"appid": {
			"bsonType": "string",
			"description": "客户端上报的应用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"
		},
		"type": {
			"bsonType": "string",
			"description": "会话类型",
			"defaultValue": 1,
			"enum": [{
				"text": "正常进入上报",
				"value": 1
			}, {
				"text": "后台进前台超时上报",
				"value": 2
			}, {
				"text": "页面停留超时上报",
				"value": 3
			}]
		},
		"device_id": {
			"bsonType": "string",
			"description": "客户端携带的设备标识"
		},
		"last_visit_user_id": {
			"bsonType": "string",
			"description": "本次会话最终访问用户的ID, uni-id-users._id，客户端上报"
		},
		"is_first_visit": {
			"bsonType": "int",
			"description": "是否为首次访问",
			"defaultValue": 0,
			"enum": [{
				"text": "否",
				"value": 0
			}, {
				"text": "是",
				"value": 1
			}]
		},
		"first_visit_time": {
			"bsonType": "timestamp",
			"description": "用户首次访问时间"
		},
		"last_visit_time": {
			"bsonType": "timestamp",
			"description": "用户最后一次访问时间"
		},
		"total_visit_count": {
			"bsonType": "int",
			"description": "用户累计访问次数，客户端上报"
		},
		"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"
		},
		"sdk_version": {
			"bsonType": "string",
			"description": "基础库版本号"
		},
		"platform_version": {
			"bsonType": "string",
			"description": "平台版本，如微信、支付宝宿主App版本号"
		},
		"device_os": {
			"bsonType": "int",
			"description": "设备系统编号，1：安卓，2：iOS，3：PC"
		},
		"device_os_version": {
			"bsonType": "string",
			"description": "设备系统版本"
		},
		"device_net": {
			"bsonType": "string",
			"description": "设备网络型号wifi\/3G\/4G\/"
		},
		"device_vendor": {
			"bsonType": "string",
			"description": "设备供应商 "
		},
		"device_model": {
			"bsonType": "string",
			"description": "设备型号"
		},
		"device_language": {
			"bsonType": "string",
			"description": "设备语言包"
		},
		"device_pixel_ratio": {
			"bsonType": "string",
			"description": "设备像素比 "
		},
		"device_window_width": {
			"bsonType": "string",
			"description": "设备窗口宽度 "
		},
		"device_window_height": {
			"bsonType": "string",
			"description": "设备窗口高度"
		},
		"device_screen_width": {
			"bsonType": "string",
			"description": "设备屏幕宽度"
		},
		"device_screen_height": {
			"bsonType": "string",
			"description": "设备屏幕高度"
		},
		"location_ip": {
			"bsonType": "string",
			"description": "ip"
		},
		"location_latitude": {
			"bsonType": "double",
			"description": "纬度"
		},
		"location_longitude": {
			"bsonType": "double",
			"description": "经度"
		},
		"location_country": {
			"bsonType": "string",
			"description": "国家"
		},
		"location_province": {
			"bsonType": "string",
			"description": "省份"
		},
		"location_city": {
			"bsonType": "string",
			"description": "城市"
		},
		"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"
		}
	}
}