Prakhar Jain created SPARK-32509:
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Summary: Unused DPP Filter causes issue in canonicalization and
prevents reuse exchange
Key: SPARK-32509
URL: https://issues.apache.org/jira/browse/SPARK-32509
Project: Spark
Issue Type: Bug
Components: SQL
Affects Versions: 3.0.0, 3.0.1, 3.1.0
Reporter: Prakhar Jain
As part of PlanDynamicPruningFilter rule, the unused DPP Filter are simply
replaced by `DynamicPruningExpression(TrueLiteral)` so that they can be
avoided. But these unnecessary`DynamicPruningExpression(TrueLiteral)` partition
filter inside the FileSourceScanExec affects the canonicalization of the node
and so in many cases, this can prevent ReuseExchange from happening.
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