Krisztian Kasa created CALCITE-5293:
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Summary: Support general set operators in PruneEmptyRules
Key: CALCITE-5293
URL: https://issues.apache.org/jira/browse/CALCITE-5293
Project: Calcite
Issue Type: Improvement
Components: core
Reporter: Krisztian Kasa
Assignee: Krisztian Kasa
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}}.
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