{ "type": "record", "name": "DeviceGender", "separatorChar": "\t", "fields": [ { "name": "device_id", "type": "string", "doc": "device id,google ad id for android,idfa for ios" }, { "name": "device_type", "type": "string", "doc": "device type, gaid or imei or idfa or android id" }, { "name": "package_names", "type": "string", "doc": "包名之间以逗号分隔" }, { "name": "source", "type": "string", "doc": "gender和来源 or null" }, { "name": "gender", "type": "string", "doc": "o,m or f" }, { "name": "ratio", "type": "string", "doc": "比例" }, { "name": "tag", "type": "string", "doc": "calc,unknow or confirm" } ] }