{
    "1": {
        "method": "changeColumn",
        "params": [
            "convert_apps",
            "db_port",
            {
                "name": "db_port",
                "type": "INT",
                "length": 10,
                "decimals": null,
                "values": null,
                "allow_null": false,
                "default": "3306",
                "comment": "",
                "unsigned": false,
                "zerofill": false,
                "auto_increment": false,
                "binary": false
            }
        ]
    },
    "2": {
        "method": "update",
        "params": [
            "convert_apps",
            {
                "db_port": 3306
            },
            [
                "db_port=?",
                3066
            ]
        ]
    },
    "3": {
        "method": "addColumn",
        "params": [
            "convert_logs",
            {
                "name": "log_time",
                "type": "INT",
                "length": 10,
                "decimals": null,
                "values": null,
                "allow_null": false,
                "default": "0",
                "comment": "",
                "unsigned": false,
                "zerofill": false,
                "auto_increment": false,
                "binary": false
            }
        ]
    }
}