Method files_matching_prefix

datafusion/execution/src/cache/cache_manager.rs:176–181

Returns files matching the given prefix. When prefix is `None`, returns a clone of the `Arc` (no data copy). When filtering is needed, returns a new `Arc` with filtered results (clones each matching [`ObjectMeta`]).

(&self, prefix: &Option<Path>)

    /// When prefix is `None`, returns a clone of the `Arc` (no data copy).
    /// When filtering is needed, returns a new `Arc` with filtered results (clones each matching [`ObjectMeta`]).
    pub fn files_matching_prefix(&self, prefix: &Option<Path>) -> Arc<Vec<ObjectMeta>> {
        match prefix {
            None => Arc::clone(&self.files),
            Some(p) => Arc::new(self.filter_by_prefix(&Some(p.clone()))),
        }
    }
}

impl Deref for CachedFileList {