GitHub user dongjoon-hyun opened a pull request:
https://github.com/apache/spark/pull/14526
[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
```
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/dongjoon-hyun/spark SPARK-16939
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/14526.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #14526
----
commit 1256d67a77301783512f53db6e1ed2dc48da98b5
Author: Dongjoon Hyun <[email protected]>
Date: 2016-08-07T15:51:23Z
[SPARK-16939][SQL] Fix build error by using `Tuple1` explicitly in
StringFunctionsSuite
----
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