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[SPARK-21640] Add errorifexists as a valid string for ErrorIfExists save mode

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## 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.
This commit is contained in:
arodriguez 2017-08-05 11:21:51 -07:00 committed by gatorsmile
parent ba327ee54c
commit dcac1d57f0
1 changed files with 1 additions and 1 deletions
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2
sql/core/src/main/scala/org/apache/spark/sql/DataFrameWriter.scala
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@ -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'.")
}