stayrascal commented on code in PR #324:
URL:
https://github.com/apache/arrow-rs-object-store/pull/324#discussion_r2041116481
##########
src/lib.rs:
##########
@@ -720,7 +721,22 @@ pub trait ObjectStore: std::fmt::Display + Send + Sync +
Debug + 'static {
/// `foo/bar_baz/x`. List is recursive, i.e. `foo/bar/more/x` will be
included.
///
/// Note: the order of returned [`ObjectMeta`] is not guaranteed
- fn list(&self, prefix: Option<&Path>) -> BoxStream<'static,
Result<ObjectMeta>>;
+ fn list(&self, prefix: Option<&Path>) -> BoxStream<'static,
Result<ObjectMeta>> {
+ self.list_opts(prefix, ListOpts::default())
+ .map_ok(|r| futures::stream::iter(r.objects.into_iter().map(Ok)))
+ .try_flatten()
+ .boxed()
+ }
+
+ /// List all the objects with given options defined in [`ListOpts`]
+ ///
+ /// Prefixes are evaluated on a path segment basis, i.e. `foo/bar` is a
prefix of `foo/bar/x` but not of
+ /// `foo/bar_baz/x`. List is recursive, i.e. `foo/bar/more/x` will be
included.
+ fn list_opts(
Review Comment:
Sorry for I didn't get "this is a breaking change" here, do you mean maybe
some other crates import the object_store crate and implement the ObjectStore
traits, they have to implement the `list_opts` method if they upgrade the
object_store version, right? If it is, it might be problem, provide a default
implementation is a better option, but it also means we cannot remove other
list methods to make this trait more concise.
I planed marked other list methods as deprecated, it seems that it's better
to do it in a big version.
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