{
    "1": {
        "method": "addColumn",
        "params": [
            "nexus_support_requests",
            {
                "name": "r_staff_lock",
                "type": "TINYINT",
                "length": 1,
                "allow_null": false,
                "default": 0
            }
        ]
    },
    "2": {
        "method": "changeColumn",
        "params": [
            "nexus_invoices",
            "i_title",
            {
                "name": "i_title",
                "type": "VARCHAR",
                "length": 128,
                "default": null
            }
        ]
    }
}