Unable to query xattrs

same results.

{
"#operator": "Sequence",
"~children": [
    {
        "#operator": "IndexScan3",
        "as": "b",
        "index": "#primary",
        "index_id": "1942de312b0c9e6b",
        "keyspace": "LongtermStorage",
        "namespace": "default",
        "spans": [
            {
                "exact": true,
                "range": [
                    {
                        "high": "\"04baad4d-2030-4d3f-b9f2-972072ceb30a\"",
                        "inclusion": 3,
                        "low": "\"04baad4d-2030-4d3f-b9f2-972072ceb30a\""
                    }
                ]
            }
        ],
        "using": "gsi"
    },
    {
        "#operator": "Fetch",
        "as": "b",
        "keyspace": "LongtermStorage",
        "namespace": "default",
        "subpaths": [
            "_sync"
        ]
    },
    {
        "#operator": "Parallel",
        "~child": {
            "#operator": "Sequence",
            "~children": [
                {
                    "#operator": "Filter",
                    "condition": "((meta(`b`).`id`) = \"04baad4d-2030-4d3f-b9f2-972072ceb30a\")"
                },
                {
                    "#operator": "InitialProject",
                    "result_terms": [
                        {
                            "expr": "meta(`b`)",
                            "star": true
                        },
                        {
                            "expr": "((meta(`b`).`xattrs`).`_sync`)"
                        }
                    ]
                },
                {
                    "#operator": "FinalProject"
                }
            ]
        }
    }
]

}