tustvold commented on code in PR #4033:
URL: https://github.com/apache/arrow-datafusion/pull/4033#discussion_r1008935661
##########
datafusion/core/src/datasource/listing/table.rs:
##########
@@ -443,6 +443,20 @@ impl ListingTable {
let store = ctx
.runtime_env
.object_store(&self.table_paths.get(0).unwrap())?;
+
+ let mut count = 0;
+ for table_path in &self.table_paths {
+ let stream = table_path.list_all_files(store.as_ref(),
&self.options.file_extension);
+ let mut all_files = Box::pin(stream.fuse());
+ while let Some(res) = all_files.next().await {
Review Comment:
Why not short-circuit on the first file?
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