alamb commented on code in PR #5543:
URL: https://github.com/apache/arrow-datafusion/pull/5543#discussion_r1134346294
##########
datafusion/execution/src/object_store.rs:
##########
@@ -89,6 +89,138 @@ pub trait ObjectStoreProvider: Send + Sync + 'static {
fn get_by_url(&self, url: &Url) -> Result<Arc<dyn ObjectStore>>;
}
+/// Provides a mechanism to get and put object stores.
+pub trait ObjectStoreManager: Send + Sync + std::fmt::Debug + 'static {
+ /// If a store with the same schema and host existed before, it is
replaced and returned
+ fn register_store(
+ &self,
+ scheme: &str,
+ host: &str,
+ store: Arc<dyn ObjectStore>,
+ ) -> Option<Arc<dyn ObjectStore>>;
+
+ /// Get a suitable store for the provided URL. For example:
+ ///
+ /// - URL with scheme `file:///` or no schema will return the default
LocalFS store
+ /// - URL with scheme `s3://bucket/` will return the S3 store
+ /// - URL with scheme `hdfs://hostname:port/` will return the hdfs store
+ fn get_by_url(&self, url: &Url) -> Result<Arc<dyn ObjectStore>>;
Review Comment:
I tried to improve the docs in
https://github.com/apache/arrow-datafusion/pull/5577
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