{
    "_yql_row_spec" = {
        "Type" = [
            "StructType";
            [
                [
                    "fdate";
                    [
                        "DataType";
                        "String"
                    ]
                ];
                [
                    "fdatetime";
                    [
                        "DataType";
                        "String"
                    ]
                ];
                [
                    "ftimestamp";
                    [
                        "DataType";
                        "String"
                    ]
                ];
                [
                    "finterval";
                    [
                        "DataType";
                        "String"
                    ]
                ];
                [
                    "ftzdate";
                    [
                        "DataType";
                        "String"
                    ]
                ];
                [
                    "ftzdatetime";
                    [
                        "DataType";
                        "String"
                    ]
                ];
                [
                    "ftztimestamp";
                    [
                        "DataType";
                        "String"
                    ]
                ];
                [
                    "finterval_1day";
                    [
                        "DataType";
                        "String"
                    ]
                ]
            ]
        ]
    }
}