Cheng Su created SPARK-32751:
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Summary: Add code-gen for ObjectHashAggregateExec
Key: SPARK-32751
URL: https://issues.apache.org/jira/browse/SPARK-32751
Project: Spark
Issue Type: Improvement
Components: SQL
Affects Versions: 3.1.0
Reporter: Cheng Su
Object hash aggregate is useful when aggregate function is not supported by
hash aggregate, and hash aggregate has codegen long time ago. Do not see a
strong reason why we don't have object hash aggregate. Create this Jira to add
codegen for object hash aggregate for better CPU execution performance.
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