[HIVE-18979] Enable AggregateReduceFunctionsRule from Calcite

• Type: Improvement
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 3.0.0
• Fix Version/s: 3.0.0
• Component/s: CBO
• Target Version/s: 3.0.0
• Assignee: Jesús Camacho Rodríguez
• Reporter: Jesús Camacho Rodríguez
• Created: 16/Mar/18 17:36
• Updated: 27/Feb/24 22:23
• Resolved: 22/Mar/18 16:58

Description

The rule rewrites aggregate functions into simpler ones. It should help us gathering more common sub-expressions for a given plan, and it should have a positive effect on materialized view rewriting coverage too.

Issue Links

• links to: RB link