{
	"tb1": {
	  "id": "1",
	  "table": "firebase_id",
	  "last_update": "2022-07-29",
	  "field": [
		{"name":"id","altable":"`id` bigint(20) NOT NULL","modify":"ADD PRIMARY KEY","change":"`id` `id` bigint(20) NOT NULL AUTO_INCREMENT"},
		{"name": "firebase_id","altable": "`firebase_id` text DEFAULT NULL","modify": "","change": "`firebase_id` `firebase_id` text DEFAULT NULL"},
        {"name": "app_name","altable": "`app_name` varchar(128) NOT NULL DEFAULT '0'","modify": "","change": "`app_name` `app_name` varchar(128) NOT NULL DEFAULT '0'"},
        {"name": "ic","altable": "`ic` varchar(128) DEFAULT NULL","modify": "","change": "`ic` `ic` varchar(128) DEFAULT NULL"},
        {"name": "uid","altable": "`uid` varchar(128) DEFAULT NULL","modify": "","change": "`uid` `uid` varchar(128) DEFAULT NULL AFTER `ic`"},
        {"name": "sid","altable": "`sid` int(32) NOT NULL DEFAULT '0'","modify": "","change": "`sid` `sid` int(32) NOT NULL DEFAULT '0'"},
        {"name": "ts","altable": "`ts` datetime NOT NULL DEFAULT '0'","modify": "","change": "`ts` `ts` datetime NOT NULL DEFAULT '0'"},
		{"name": "is_android","altable": "`is_android` int(4) NOT NULL DEFAULT '0'", "modify": "", "change": "`is_android` `is_android` int(4) NOT NULL DEFAULT '0'"},
		{"name": "location","altable": "`location` text DEFAULT NULL","modify": "","change": "`location` `location` text DEFAULT NULL"},
		{"name": "app_version","altable": "`app_version` varchar(64) NOT NULL DEFAULT '0'","modify": "","change": "`app_version` `app_version` varchar(64) NOT NULL DEFAULT '0'"},
{"name": "device_model","altable": "`device_model` varchar(128) NOT NULL DEFAULT '0'","modify": "","change": "`device_model` `device_model` varchar(128) NOT NULL DEFAULT '0'"}
	   ]
	}
}