From 78cd23b3cc30713225c3d35be2c8a4c075350baf Mon Sep 17 00:00:00 2001
From: Devin D'Angelo <devinjdangelo@gmail.com>
Date: Wed, 27 Sep 2023 20:41:50 -0400
Subject: [PATCH] cargo fmt

---
 .../src/datasource/file_format/parquet.rs     | 37 ++++++++++---------
 1 file changed, 19 insertions(+), 18 deletions(-)

diff --git a/datafusion/core/src/datasource/file_format/parquet.rs b/datafusion/core/src/datasource/file_format/parquet.rs
index 7d7386a2af52..155c5304d2c7 100644
--- a/datafusion/core/src/datasource/file_format/parquet.rs
+++ b/datafusion/core/src/datasource/file_format/parquet.rs
@@ -19,7 +19,9 @@
 
 use arrow_array::RecordBatch;
 
-use parquet::arrow::arrow_writer::{ArrowColumnWriter, get_column_writers, ArrowLeafColumn, compute_leaves};
+use parquet::arrow::arrow_writer::{
+    compute_leaves, get_column_writers, ArrowColumnWriter, ArrowLeafColumn,
+};
 use parquet::column::writer::ColumnCloseResult;
 use parquet::file::writer::SerializedFileWriter;
 use rand::distributions::DistString;
@@ -885,22 +887,19 @@ fn spawn_column_parallel_row_group_writer(
     parquet_props: Arc<WriterProperties>,
     max_buffer_size: usize,
 ) -> Result<(Vec<ColumnJoinHandle>, Vec<ColSender>)> {
-
     let schema_desc = arrow_to_parquet_schema(&schema)?;
-    let col_writers =
-        get_column_writers(&schema_desc, &parquet_props, &schema)?;
+    let col_writers = get_column_writers(&schema_desc, &parquet_props, &schema)?;
     let num_columns = col_writers.len();
 
     let mut col_writer_handles = Vec::with_capacity(num_columns);
     let mut col_array_channels = Vec::with_capacity(num_columns);
     for writer in col_writers.into_iter() {
         // Buffer size of this channel limits the number of arrays queued up for column level serialization
-        let (send_array, recieve_array) = mpsc::channel::<ArrowLeafColumn>(max_buffer_size);
+        let (send_array, recieve_array) =
+            mpsc::channel::<ArrowLeafColumn>(max_buffer_size);
         col_array_channels.push(send_array);
-        col_writer_handles.push(tokio::spawn(column_serializer_task(
-            recieve_array,
-            writer,
-        )))
+        col_writer_handles
+            .push(tokio::spawn(column_serializer_task(recieve_array, writer)))
     }
 
     Ok((col_writer_handles, col_array_channels))
@@ -929,8 +928,9 @@ async fn send_arrays_to_col_writers(
         .iter()
         .zip(rb.columns())
         .zip(schema.fields())
-        .map(|((a,b),c)| (a,b,c)) {
-        for c in compute_leaves(field, array)?{
+        .map(|((a, b), c)| (a, b, c))
+    {
+        for c in compute_leaves(field, array)? {
             tx.send(c).await.map_err(|_| {
                 DataFusionError::Internal("Unable to send array to writer!".into())
             })?;
@@ -1031,12 +1031,14 @@ fn spawn_parquet_parallel_serialization_task(
         for mut rx in rb_recievers {
             while let Some(rb) = rx.recv().await {
                 if current_rg_rows + rb.num_rows() < max_row_group_rows {
-                    send_arrays_to_col_writers(&col_array_channels, &rb, schema.clone()).await?;
+                    send_arrays_to_col_writers(&col_array_channels, &rb, schema.clone())
+                        .await?;
                     current_rg_rows += rb.num_rows();
                 } else {
                     let rows_left = max_row_group_rows - current_rg_rows;
                     let a = rb.slice(0, rows_left);
-                    send_arrays_to_col_writers(&col_array_channels, &a, schema.clone()).await?;
+                    send_arrays_to_col_writers(&col_array_channels, &a, schema.clone())
+                        .await?;
 
                     // Signal the parallel column writers that the RowGroup is done, join and finalize RowGroup
                     // on a separate task, so that we can immediately start on the next RG before waiting
@@ -1060,7 +1062,8 @@ fn spawn_parquet_parallel_serialization_task(
                             writer_props.clone(),
                             max_buffer_rb,
                         )?;
-                    send_arrays_to_col_writers(&col_array_channels, &b, schema.clone()).await?;
+                    send_arrays_to_col_writers(&col_array_channels, &b, schema.clone())
+                        .await?;
                     current_rg_rows = b.num_rows();
                 }
             }
@@ -1068,10 +1071,8 @@ fn spawn_parquet_parallel_serialization_task(
 
         // Handle leftover rows as final rowgroup, which may be smaller than max_row_group_rows
         drop(col_array_channels);
-        let finalize_rg_task = spawn_rg_join_and_finalize_task(
-            column_writer_handles,
-            current_rg_rows,
-        );
+        let finalize_rg_task =
+            spawn_rg_join_and_finalize_task(column_writer_handles, current_rg_rows);
 
         serialize_tx.send(finalize_rg_task).await.map_err(|_| {
             DataFusionError::Internal("Unable to send closed RG to concat task!".into())