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https://issues.apache.org/jira/browse/SPARK-56842?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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ASF GitHub Bot updated SPARK-56842:
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Labels: pull-request-available (was: )
> Short-circuit AQE when materialized stages are empty
> ----------------------------------------------------
>
> Key: SPARK-56842
> URL: https://issues.apache.org/jira/browse/SPARK-56842
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Affects Versions: 5.0.0
> Reporter: Chao Sun
> Priority: Major
> Labels: pull-request-available
>
> Adaptive execution can continue planning work after a materialized query
> stage proves that a branch is empty, including plans wrapped by
> sort/project/columnar conversion operators. This can leave obsolete exchange
> stages running and may surface cancellation failures from stages that are no
> longer relevant to the final plan.
> This issue tracks preserving emptiness propagation through those wrappers,
> handling aggregate row-count semantics correctly, and ignoring cancellation
> failures from obsolete stages that AQE intentionally replaces.
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