From a16983c97b4c6539f97e5d26f163fed49872df2b Mon Sep 17 00:00:00 2001
From: Dongjoon Hyun <dongjoon@apache.org>
Date: Sun, 7 Aug 2016 20:51:54 +0100
Subject: [PATCH] [SPARK-16939][SQL] Fix build error by using `Tuple1`
explicitly in StringFunctionsSuite
## What changes were proposed in this pull request?
This PR aims to fix a build error on branch 1.6 at https://github.com/apache/spark/commit/8d8725208771a8815a60160a5a30dc6ea87a7e6a, but I think we had better have this consistently in master branch, too. It's because there exist other ongoing PR (https://github.com/apache/spark/pull/14525) about this.
https://amplab.cs.berkeley.edu/jenkins/job/spark-branch-1.6-compile-maven-with-yarn-2.3/286/console
```scala
[error] /home/jenkins/workspace/spark-branch-1.6-compile-maven-with-yarn-2.3/sql/core/src/test/scala/org/apache/spark/sql/StringFunctionsSuite.scala:82: value toDF is not a member of Seq[String]
[error] val df = Seq("aaaac").toDF("s")
[error] ^
```
## How was this patch tested?
After passing Jenkins, run compilation test on branch 1.6.
```
build/mvn -DskipTests -Pyarn -Phadoop-2.3 -Pkinesis-asl -Phive -Phive-thriftserver install
```
Author: Dongjoon Hyun <dongjoon@apache.org>
Closes #14526 from dongjoon-hyun/SPARK-16939.
---
.../test/scala/org/apache/spark/sql/StringFunctionsSuite.scala | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/sql/core/src/test/scala/org/apache/spark/sql/StringFunctionsSuite.scala b/sql/core/src/test/scala/org/apache/spark/sql/StringFunctionsSuite.scala
index 3b76aaf7d0..64b4718538 100644
--- a/sql/core/src/test/scala/org/apache/spark/sql/StringFunctionsSuite.scala
+++ b/sql/core/src/test/scala/org/apache/spark/sql/StringFunctionsSuite.scala
@@ -95,7 +95,7 @@ class StringFunctionsSuite extends QueryTest with SharedSQLContext {
}
test("non-matching optional group") {
- val df = Seq("aaaac").toDF("s")
+ val df = Seq(Tuple1("aaaac")).toDF("s")
checkAnswer(
df.select(regexp_extract($"s", "(a+)(b)?(c)", 2)),
Row("")
--
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