From 7387f0524c0489177dffa66518b42aa0172a3376 Mon Sep 17 00:00:00 2001
From: Wenchen Fan <wenchen@databricks.com>
Date: Wed, 28 Nov 2018 22:53:48 +0800
Subject: [PATCH] fix naming

---
 .../sql/execution/datasources/v2/DataSourceV2Strategy.scala   | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/v2/DataSourceV2Strategy.scala b/sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/v2/DataSourceV2Strategy.scala
index a35a398f35165..f3f3b9452defe 100644
--- a/sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/v2/DataSourceV2Strategy.scala
+++ b/sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/v2/DataSourceV2Strategy.scala
@@ -85,9 +85,9 @@ object DataSourceV2Strategy extends Strategy {
         val neededOutput = relation.output.filter(requiredColumns.contains)
         if (neededOutput != relation.output) {
           r.pruneColumns(neededOutput.toStructType)
-          val config = r.build()
+          val scan = r.build()
           val nameToAttr = relation.output.map(_.name).zip(relation.output).toMap
-          config -> config.readSchema().toAttributes.map {
+          scan -> scan.readSchema().toAttributes.map {
             // We have to keep the attribute id during transformation.
             a => a.withExprId(nameToAttr(a.name).exprId)
           }