DuckDb Query and Copy

gistfile1.txt

conn.queryAndCopy = async function(text) {
        function copy(src) {
                var dst = new ArrayBuffer(src.byteLength);
                new Uint8Array(dst).set(new Uint8Array(src));
                return dst;
        }

        const   buffer = await this._bindings.runQuery(this._conn, text),
                reader = Arrow.RecordBatchReader.from(buffer),
                table  = new Arrow.Table(reader);

        return  {
                buffer: copy(buffer),
                table:  table
        };
};