ulysses you created SPARK-34991:
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Summary: Mark GlobalLimit outputPartitioning as SinglePartition
Key: SPARK-34991
URL: https://issues.apache.org/jira/browse/SPARK-34991
Project: Spark
Issue Type: Improvement
Components: SQL
Affects Versions: 3.2.0
Reporter: ulysses you
Accroding to the semantics of `GlobalLimitExec`, the outputPartitioning should
always be `SinglePartition`. And we can avoid unnecessary shuffle.
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