houqp commented on a change in pull request #1062:
URL: https://github.com/apache/arrow-datafusion/pull/1062#discussion_r718131881
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File path: datafusion/src/datasource/object_store/mod.rs
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@@ -75,8 +83,15 @@ pub type ListEntryStream =
/// It maps strings (e.g. URLs, filesystem paths, etc) to sources of bytes
#[async_trait]
pub trait ObjectStore: Sync + Send + Debug {
+ /// Get file system scheme
+ fn get_schema(&self) -> &'static str;
Review comment:
an object store could have multiple schemes, for example, s3/s3a or
file/fs/filesystem, so it would be better to return a slice of str here.
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