[FLINK-12076] Add support for generating optimized logical plan for simple group aggregate on batch

• Type: New Feature
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 1.9.0
• Component/s: Table SQL / Planner
• Labels: pull-request-available
• Assignee: godfrey he
• Reporter: godfrey he
• Created: 01/Apr/19 08:41
• Updated: 02/Apr/19 10:28
• Resolved: 02/Apr/19 10:28

Description

To distinguish Window aggregate and Over aggregate, we call the `GROUP BY` aggregate as group aggregate.

This issue only involves batch group aggregate, stream group aggregate will be finished in new issue due to retraction derivation.

complex group aggregate(including GROUP SETS and DISTINCT) will also be finished in new issue.

Issue Links

• is a child of: FLINK-11488 Add a basic Blink planner framework
• links to: GitHub Pull Request #8092