{
    "1": {
        "method": "changeColumn",
        "params": [
            "downloads_files",
            "file_size",
            {
                "name": "file_size",
                "type": "BIGINT",
                "length": 20,
                "decimals": null,
                "values": [],
                "allow_null": false,
                "default": "0",
                "comment": "",
                "unsigned": false,
                "zerofill": false,
                "auto_increment": false,
                "binary": false
            }
        ]
    },
    "2": {
        "method": "changeColumn",
        "params": [
            "downloads_downloads",
            "dua",
            {
                "name": "dua",
                "type": "TEXT",
                "length": 0,
                "decimals": null,
                "values": [],
                "allow_null": true,
                "default": null,
                "comment": "",
                "unsigned": false,
                "zerofill": false,
                "auto_increment": false,
                "binary": false
            }
        ]
    }
}