From dcac1d57f0fd05605edf596c303546d83062a352 Mon Sep 17 00:00:00 2001
From: arodriguez <arodriguez@arodriguez.stratio>
Date: Sat, 5 Aug 2017 11:21:51 -0700
Subject: [PATCH] [SPARK-21640] Add errorifexists as a valid string for
 ErrorIfExists save mode

## What changes were proposed in this pull request?

This PR includes the changes to make the string "errorifexists" also valid for ErrorIfExists save mode.

## How was this patch tested?

Unit tests and manual tests

Author: arodriguez <arodriguez@arodriguez.stratio>

Closes #18844 from ardlema/SPARK-21640.
---
 .../src/main/scala/org/apache/spark/sql/DataFrameWriter.scala   | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sql/core/src/main/scala/org/apache/spark/sql/DataFrameWriter.scala b/sql/core/src/main/scala/org/apache/spark/sql/DataFrameWriter.scala
index 0fcda46c9b..079f699a18 100644
--- a/sql/core/src/main/scala/org/apache/spark/sql/DataFrameWriter.scala
+++ b/sql/core/src/main/scala/org/apache/spark/sql/DataFrameWriter.scala
@@ -71,7 +71,7 @@ final class DataFrameWriter[T] private[sql](ds: Dataset[T]) {
       case "overwrite" => SaveMode.Overwrite
       case "append" => SaveMode.Append
       case "ignore" => SaveMode.Ignore
-      case "error" | "default" => SaveMode.ErrorIfExists
+      case "error" | "errorifexists" | "default" => SaveMode.ErrorIfExists
       case _ => throw new IllegalArgumentException(s"Unknown save mode: $saveMode. " +
         "Accepted save modes are 'overwrite', 'append', 'ignore', 'error'.")
     }
-- 
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