{
    "1": {
        "method": "changeColumn",
        "params": [
            "core_sessions",
            "browser",
            {
                "name": "browser",
                "type": "TEXT",
                "length": 255,
                "decimals": null,
                "values": [],
                "allow_null": false,
                "default": "",
                "comment": "",
                "unsigned": false,
                "zerofill": false,
                "auto_increment": false,
                "binary": false
            }
        ]
    }
}