Ruben Q L created CALCITE-3542:
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Summary: Implement RepeatUnion All=false
Key: CALCITE-3542
URL: https://issues.apache.org/jira/browse/CALCITE-3542
Project: Calcite
Issue Type: New Feature
Affects Versions: 1.21.0
Reporter: Ruben Q L
Assignee: Ruben Q L
Fix For: 1.22.0
CALCITE-2812 introduced recursive queries in Calcite via the new operator
RepeatUnion.
However, this initial implementation was not complete, since it only provided
RepeatUnion ALL (i.e. duplicates were returned).
The current ticket aims to implement the missing feature: RepeatUnion non-ALL
(i.e. duplicates must be discarded).
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