andygrove commented on code in PR #2467:
URL: https://github.com/apache/arrow-datafusion/pull/2467#discussion_r866453626
##########
data-access/src/object_store/local.rs:
##########
@@ -50,17 +50,63 @@ impl ObjectStore for LocalFileSystem {
async fn list_dir(
&self,
- _prefix: &str,
- _delimiter: Option<String>,
+ prefix: &str,
+ delimiter: Option<String>,
) -> Result<ListEntryStream> {
- todo!()
+ if let Some(d) = delimiter {
+ if d != "/" && d != "\\" {
+ return Err(std::io::Error::new(
+ std::io::ErrorKind::InvalidInput,
+ "delimiter not supported on local filesystem",
Review Comment:
Also would be nice to include the unsupported delimiter in this message
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