{
    "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":"create_time",
            "MgoKeySchema":{
                "MgoIndexKeys":[
                    {
                        "Name":"create_time",
                        "Direction":"1"
                    }
                ],
                "MgoIsUnique":false
            }
        },
        {
            "IndexName":"appid",
            "MgoKeySchema":{
                "MgoIndexKeys":[
                    {
                        "Name":"appid",
                        "Direction":"1"
                    }
                ],
                "MgoIsUnique":false
            }
        },
        {
            "IndexName":"version",
            "MgoKeySchema":{
                "MgoIndexKeys":[
                    {
                        "Name":"version",
                        "Direction":"1"
                    }
                ],
                "MgoIsUnique":false
            }
        },
        {
            "IndexName":"platform",
            "MgoKeySchema":{
                "MgoIndexKeys":[
                    {
                        "Name":"platform",
                        "Direction":"1"
                    }
                ],
                "MgoIsUnique":false
            }
        },
        {
            "IndexName":"channel",
            "MgoKeySchema":{
                "MgoIndexKeys":[
                    {
                        "Name":"channel",
                        "Direction":"1"
                    }
                ],
                "MgoIsUnique":false
            }
        },
        {
            "IndexName":"uid",
            "MgoKeySchema":{
                "MgoIndexKeys":[
                    {
                        "Name":"uid",
                        "Direction":"1"
                    }
                ],
                "MgoIsUnique":false
            }
        }
    ]
}