[SPARK-19399] R Coalesce on DataFrame and coalesce on column

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.1.0
• Fix Version/s: 2.1.1, 2.2.0
• Component/s: SparkR
• Target Version/s: 2.1.1, 2.2.0
• Assignee: Felix Cheung
• Reporter: Felix Cheung
• Created: 30/Jan/17 07:47
• Updated: 16/Feb/17 03:29
• Resolved: 15/Feb/17 18:59

Description

coalesce on DataFrame is different from repartition, where shuffling is avoided. We should have that in SparkR.
coalesce on Column is convenient to have in expression.

Issue Links

• links to: [Github] Pull Request #16739 (felixcheung)
• links to: [Github] Pull Request #16950 (felixcheung)