[CALCITE-5293] Support general set operators in PruneEmptyRules

• Type: Improvement
• Status: Closed
• Priority: Minor
• Resolution: Fixed
• Fix Version/s: 1.33.0
• Component/s: core
• Labels: pull-request-available
• Assignee: Krisztian Kasa
• Reporter: Krisztian Kasa
• Created: 20/Sep/22 16:14
• Updated: 07/Feb/23 22:33
• Resolved: 22/Sep/22 07:01

Description

Current implementation of PruneEmptyRules expects Logical set operators: LogicalUnion, LogicalMinus and LogicalIntersect.

The goal is to improve the reusability of these rules in other projects which using Calcite and its custom operators derived from Union, Minus and Intersect.

Issue Links

• links to: GitHub Pull Request #2915
• links to: GitHub Pull Request #2915