Mingliang Zhu created SPARK-46790:
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Summary: Support coalesce partition through cartesian product
Key: SPARK-46790
URL: https://issues.apache.org/jira/browse/SPARK-46790
Project: Spark
Issue Type: Improvement
Components: SQL
Affects Versions: 3.5.0
Reporter: Mingliang Zhu
Like `Union`, It's also better to support partial optimize with
`CartesianProduct`.
{code:java}
CartesianProduct
HashAggregate
ShuffleQueryStage
FileScan
{code}
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