Pavle Martinović created SPARK-54864:
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Summary: Add plan normalization for recursive CTEs
Key: SPARK-54864
URL: https://issues.apache.org/jira/browse/SPARK-54864
Project: Spark
Issue Type: Sub-task
Components: SQL
Affects Versions: 4.2.0
Reporter: Pavle Martinović
Add recursive CTE nodes `UnionLoop` and `UnionLoopRef` to `NormalizePlan` and
`CteIdNormalizer`, so that the plans containing rCTEs can be normalized and
later compared in different analyzer types.
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