{
    "1": {
        "method": "addColumn",
        "params": [
            "downloads_cfields",
            {
                "name": "cf_display_location",
                "type": "ENUM",
                "length": null,
                "decimals": null,
                "values": [
                    "below",
                    "tab",
                    "Sidebar"
                ],
                "allow_null": false,
                "default": "sidebar",
                "comment": "Display location for custom fields",
                "unsigned": false,
                "zerofill": false,
                "auto_increment": false,
                "binary": false
            }
        ]
    },
    "2": {
        "method": "addIndex",
        "params": [
            "downloads_files",
            {
                "type": "key",
                "name": "file_approver",
                "columns": [
                    "file_approver"
                ],
                "length": [
                    null
                ]
            }
        ]
    }
}