rshkv commented on code in PR #870:
URL: https://github.com/apache/iceberg-rust/pull/870#discussion_r1905307332
##########
crates/iceberg/src/metadata_scan.rs:
##########
@@ -95,7 +99,17 @@ impl<'a> SnapshotsTable<'a> {
}
/// Scans the snapshots table.
- pub fn scan(&self) -> Result<RecordBatch> {
+ pub async fn scan(&self) -> Result<ArrowRecordBatchStream> {
+ let arrow_schema = Arc::new(self.schema());
+ let table_metadata = self.table.metadata_ref();
+
+ Ok(
+ futures::stream::once(async move { Self::build_batch(arrow_schema,
&table_metadata) })
Review Comment:
I do agree that `futures::stream::once(async move { ... ` is a bit verbose.
I went with `try_stream!` instead, so now we do this:
```rust
pub async fn scan(&self) -> Result<ArrowRecordBatchStream> {
let arrow_schema = Arc::new(self.schema());
...
Ok(try_stream! {
...
yield RecordBatch::try_new(arrow_schema, vec![...])?;
}
.boxed())
}
```
@xuanwo, I don't know if that's what you had in mind and if you think it's
better. I'm happy to revert. Let me know.
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