parquet:: avoid reading extra 8 bytes (#3550)

* parquet:: avoid reading extra 8 bytes Effect in increasing performance * Update parquet/src/arrow/async_reader/mod.rs Co-authored-by: Raphael Taylor-Davies <[email protected]> * Update mod.rs Co-authored-by: Raphael Taylor-Davies <[email protected]>
apache · Jan 18, 2023 · 96831de · 96831de
1 parent 14545a4
commit 96831de
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/parquet/src/arrow/async_reader/mod.rs b/parquet/src/arrow/async_reader/mod.rs
@@ -200,7 +200,7 @@ impl<T: AsyncRead + AsyncSeek + Unpin + Send> AsyncFileReader for T {
                 .await?;
 
             let mut buf = Vec::with_capacity(metadata_len);
-            self.read_to_end(&mut buf).await?;
+            self.take(metadata_len as _).read_to_end(&mut buf).await?;
 
             Ok(Arc::new(decode_metadata(&buf)?))
         }