w l created SPARK-38624:
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Summary: Reduce UnsafeProjection.create call times when Percentile
function serializes the aggregation buffer object
Key: SPARK-38624
URL: https://issues.apache.org/jira/browse/SPARK-38624
Project: Spark
Issue Type: Improvement
Components: SQL
Affects Versions: 3.2.1, 2.4.8
Reporter: w l
Fix For: 3.4.0
Percentile serialize method does not need to call UnsafeProjection.create every
time.
UnsafeProjection can be a field.
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