From 9dee39b2b43e4f62f783d932ead4c5751ff20aaf Mon Sep 17 00:00:00 2001
From: Jiayu Liu <jiayu.liu@airbnb.com>
Date: Wed, 16 Jun 2021 21:58:24 +0800
Subject: [PATCH] implement default for execution config

---
 datafusion/src/execution/context.rs | 12 +++++++++---
 1 file changed, 9 insertions(+), 3 deletions(-)

diff --git a/datafusion/src/execution/context.rs b/datafusion/src/execution/context.rs
index 183524497940..c1a40ba10552 100644
--- a/datafusion/src/execution/context.rs
+++ b/datafusion/src/execution/context.rs
@@ -642,9 +642,8 @@ pub struct ExecutionConfig {
     pub repartition_aggregations: bool,
 }
 
-impl ExecutionConfig {
-    /// Create an execution config with default setting
-    pub fn new() -> Self {
+impl Default for ExecutionConfig {
+    fn default() -> Self {
         Self {
             concurrency: num_cpus::get(),
             batch_size: 8192,
@@ -671,6 +670,13 @@ impl ExecutionConfig {
             repartition_aggregations: true,
         }
     }
+}
+
+impl ExecutionConfig {
+    /// Create an execution config with default setting
+    pub fn new() -> Self {
+        Default::default()
+    }
 
     /// Customize max_concurrency
     pub fn with_concurrency(mut self, n: usize) -> Self {