[SPARK-16939] Fix build error by using `Tuple1` explicitly in StringFunctionSuite

• Type: Bug
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Fix Version/s: 1.6.3
• Component/s: SQL
• Assignee: Dongjoon Hyun
• Reporter: Dongjoon Hyun
• Created: 07/Aug/16 15:50
• Updated: 07/Aug/16 19:54
• Resolved: 07/Aug/16 19:54

Description

This issue aims to fix a build error on branch 1.6, but we had better have this in master branch, too. There are other ongoing PR, too.

[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]                           ^

Issue Links

• links to: [Github] Pull Request #14526 (dongjoon-hyun)