{
    "namespace": "mobvista.dmp.device.bean",
    "type": "record",
    "name": "OdsDmpDeviceTotal",
    "separatorChar": "\t",
    "fields": [
        {
            "name": "device_id",
            "type": "string",
            "doc": "device id"
        },
        {
            "name": "id_type",
            "type": "string",
            "doc": "device type"
        },
        {
            "name": "country",
            "type": "string",
            "doc": "country"
        },
        {
            "name": "last_req_day",
            "type": "string",
            "doc": "last request day"
        }
    ]
}