{
    "_yql_row_spec" = {
        "Type" = [
            "StructType";
            [
                [
                    "fdate32";
                    [
                        "DataType";
                        "String";
                    ]
                ];
                [
                    "fdatetime64";
                    [
                        "DataType";
                        "String";
                    ]
                ];
                [
                    "ftimestamp64";
                    [
                        "DataType";
                        "String";
                    ]
                ];
                [
                    "ftzpdate32";
                    [
                        "DataType";
                        "String";
                    ]
                ];
                [
                    "ftzpdatetime64";
                    [
                        "DataType";
                        "String";
                    ]
                ];
                [
                    "ftzptimestamp64";
                    [
                        "DataType";
                        "String";
                    ]
                ];
                [
                    "ftzmdate32";
                    [
                        "DataType";
                        "String";
                    ]
                ];
                [
                    "ftzmdatetime64";
                    [
                        "DataType";
                        "String";
                    ]
                ];
                [
                    "ftzmtimestamp64";
                    [
                        "DataType";
                        "String";
                    ]
                ];
            ]
        ]
    }
}