[SPARK-15079] Support average/count/sum in LongAccumulator/DoubleAccumulator

• Type: Sub-task
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 2.0.0
• Component/s: SQL
• Target Version/s: 2.0.0
• Assignee: Reynold Xin
• Reporter: Reynold Xin
• Created: 03/May/16 01:53
• Updated: 03/May/16 04:12
• Resolved: 03/May/16 04:12

Description

We currently have AverageAccumulator as a special accumulator. It would actually be easier if we just support computing average in LongAccumulator and DoubleAccumulator.

Issue Links

• links to: [Github] Pull Request #12858 (rxin)