{
    "_yql_view_view1"="SELECT key, subkey, value, 1 as `view` FROM self";
    "_yql_view_view2"="SELECT key, subkey, value, 2 as `view` FROM self";
    "_yql_view_view3"="SELECT key, subkey, value, 3 as `view` FROM self";
    "_yql_row_spec" = {
        "Type" = [
            "StructType";
            [
                [
                    "key";
                    [
                        "DataType";
                        "String"
                    ]
                ];
                [
                    "subkey";
                    [
                        "DataType";
                        "String"
                    ]
                ];
                [
                    "value";
                    [
                        "DataType";
                        "String"
                    ]
                ]
            ]
        ]
    }
}