{
    "1": {
        "method": "addColumn",
        "params": [
            "cal_events",
            {
                "name": "event_all_day",
                "type": "tinyint",
                "length": 1,
                "allow_null": false,
                "default": 0
            }
        ]
    },
    "2": {
        "method": "update",
        "params": [
            "cal_events",
            {
                "event_all_day": 1
            },
            [
                "TIME(event_start_date)=?",
                "00:00:00"
            ]
        ]
    }
}