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https://issues.apache.org/jira/browse/SPARK-36221?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17383751#comment-17383751
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Apache Spark commented on SPARK-36221:
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User 'ulysses-you' has created a pull request for this issue:
https://github.com/apache/spark/pull/33431
> Make sure CustomShuffleReaderExec has at least one partition
> ------------------------------------------------------------
>
> Key: SPARK-36221
> URL: https://issues.apache.org/jira/browse/SPARK-36221
> Project: Spark
> Issue Type: Improvement
> Components: SQL
> Affects Versions: 3.3.0
> Reporter: XiDuo You
> Priority: Minor
>
> Since SPARK-32083, AQE coalesce always return at least one partition, it
> should be robust to add non-empty check in `CustomShuffleReaderExec`.
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