[SPARK-24040] support single partition aggregates

• Type: Sub-task
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.4.0
• Fix Version/s: 2.4.0
• Component/s: Structured Streaming
• Assignee: Jose Torres
• Reporter: Jose Torres
• Created: 20/Apr/18 18:15
• Updated: 15/May/18 17:25
• Resolved: 15/May/18 17:25

Description

Single partition aggregates are a useful milestone because they don't involve a shuffle.

Issue Links

• links to: [Github] Pull Request #21239 (jose-torres)