{
    "1": {
        "method": "delete",
        "params": [
            "core_sys_conf_settings",
            "conf_key='gallery_create_thumbs'"
        ]
    },
    "2": {
        "method": "changeColumn",
        "params": [
            "gallery_comments",
            "ip_address",
            {
                "name": "ip_address",
                "type": "varchar",
                "length": 46,
                "allow_null": false,
                "default": ""
            }
        ]
    },
    "3": {
        "method": "changeColumn",
        "params": [
            "gallery_images",
            "image_notes",
            {
                "name": "image_notes",
                "type": "text",
                "length": null,
                "allow_null": true,
                "default": null
            }
        ]
    },
    "4": {
        "method": "dropColumn",
        "params": [
            "gallery_comments",
            [
                "append_edit",
                "use_sig",
                "use_emo",
                "edit_name"
            ]
        ]
    },
    "5": {
        "method": "addColumn",
        "params": [
            "gallery_albums_main",
            {
                "name": "album_position",
                "type": "int",
                "length": 10,
                "allow_null": false,
                "default": 0
            }
        ]
    }
}