{
    "1": {
        "method": "changeColumn",
        "params": [
            "core_sys_cp_sessions",
            "session_id",
            {
                "name": "session_id",
                "type": "VARCHAR",
                "length": 128,
                "decimals": null,
                "values": [],
                "allow_null": false,
                "default": "",
                "comment": "",
                "unsigned": false,
                "zerofill": false,
                "auto_increment": false,
                "binary": false
            }
        ]
    },
    "2": {
        "method": "changeColumn",
        "params": [
            "core_sessions",
            "id",
            {
                "name": "id",
                "type": "VARCHAR",
                "length": 128,
                "decimals": null,
                "values": [],
                "allow_null": false,
                "default": "0",
                "comment": "",
                "unsigned": false,
                "zerofill": false,
                "auto_increment": false,
                "binary": false
            }
        ]
    },
    "3": {
        "method": "dropColumn",
        "params": [
            "core_groups",
            "g_max_notifications"
        ]
    }
}