Function cache_query_fields_route_async 

pub async fn cache_query_fields_route_async<const N: usize, F>(
    provider: Option<&str>,
    sql: &str,
    local_cache_scope: u64,
    c_params: &[DataField; N],
    build_query_params: F,
    cache: &mut impl CacheAble<DataField, RowData, N>,
) -> RowData
where
    F: FnOnce() -> Vec<DataField>,

异步本地缓存路由派发：provider 为 Some(name) 时走命名 provider，None 时走默认 provider。