{
  "1": {
        "method": "changeColumn",
        "params": [
            "core_announcements",
            "announce_content",
            {
                "name": "announce_content",
                "type": "MEDIUMTEXT",
                "length": 0,
                "decimals": null,
                "values": [],
                "allow_null": true,
                "default": "",
                "comment": "",
                "unsigned": false,
                "zerofill": false,
                "auto_increment": false,
                "binary": false
            }
        ]
    },
    "2": {
        "method": "delete",
        "params": [
            "core_output_cache"
        ]
    }
}