[SPARK-48544][SQL] Reduce memory pressure of empty TreeNode BitSets #46919
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JoshRosen
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Jun 8, 2024
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/trees/TreeNode.scala
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…s/TreeNode.scala Co-authored-by: Josh Rosen <rosenville@gmail.com>
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Merged to master (4.0.0). Thanks @n-young-db! |
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What changes were proposed in this pull request?
ineffectiveRulesvariable of theTreeNodeclass to initialize lazily. This will reduce unnecessary driver memory pressure.Why are the changes needed?
Does this PR introduce any user-facing change?
No.
How was this patch tested?
Existing UT covers behavior. Outwards facing behavior does not change.
Was this patch authored or co-authored using generative AI tooling?
No