Yesheng Ma created SPARK-28306:
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Summary: Once optimizer rule NormalizeFloatingNumbers is not
idempotent
Key: SPARK-28306
URL: https://issues.apache.org/jira/browse/SPARK-28306
Project: Spark
Issue Type: Bug
Components: SQL
Affects Versions: 3.0.0
Reporter: Yesheng Ma
When the rule NormalizeFloatingNumbers is called multiple times, it will add
additional transform operator to an expression, which is not appropriate. To
fix it, we have to make it idempotent, i.e. yield the same logical plan
regardless of multiple runs.
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