tustvold commented on code in PR #4332:
URL: https://github.com/apache/arrow-rs/pull/4332#discussion_r1212962473
##########
parquet/examples/read_with_rowgroup.rs:
##########
@@ -40,8 +39,8 @@ async fn main() -> Result<()> {
for rg in metadata.row_groups() {
let mut rowgroup = InMemoryRowGroup::create(rg.clone(),
ProjectionMask::all());
- let mut reader = std::fs::File::open(&path).unwrap();
- rowgroup.fetch_data(&mut reader, None)?;
+ let mut reader = File::open(&path).await.unwrap();
+ rowgroup.async_fetch_data(&mut reader, None).await?;
Review Comment:
```suggestion
rowgroup.async_fetch_data(&mut file, None).await?;
```
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