[SPARK-32301] Add a test case for toPandas to work with empty partitioned Spark DataFrame

• Type: Test
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 3.0.0
• Fix Version/s: 3.0.1, 3.1.0
• Component/s: PySpark
• Assignee: Hyukjin Kwon
• Reporter: Hyukjin Kwon
• Created: 14/Jul/20 08:46
• Updated: 12/Dec/22 18:10
• Resolved: 14/Jul/20 23:45

Description

spark.sparkContext.emptyRDD().toDF("col1 int").toPandas()

empty partitioned DataFrame is not being tested with toPandas.

Issue Links

• relates to: SPARK-32300 toPandas with no partitions should work
• links to: [Github] Pull Request #29099 (HyukjinKwon)