[SPARK-10591] False negative in QueryTest.checkAnswer

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 1.0.2, 1.1.1, 1.2.2, 1.3.1, 1.4.1, 1.5.0
• Fix Version/s: 2.0.0
• Component/s: SQL, Tests
• Assignee: Dongjoon Hyun
• Reporter: Cheng Lian
• Created: 14/Sep/15 16:27
• Updated: 28/Jun/16 20:46
• Resolved: 27/Jun/16 11:06

Description

checkAnswer doesn't handle Map[K, V] properly. For example:

scala> Map(1 -> 2, 2 -> 1).toString
res0: String = Map(1 -> 2, 2 -> 1)

scala> Map(2 -> 1, 1 -> 2).toString
res1: String = Map(2 -> 1, 1 -> 2)

We can't rely on toString to compare Map[K, V] instances.

Need to update checkAnswer to special case Map[K, V].

Issue Links

• links to: [Github] Pull Request #13913 (dongjoon-hyun)