XiDuo You created SPARK-39792:
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Summary: Add DecimalDivideWithOverflowCheck for decimal average
Key: SPARK-39792
URL: https://issues.apache.org/jira/browse/SPARK-39792
Project: Spark
Issue Type: Sub-task
Components: SQL
Affects Versions: 3.4.0
Reporter: XiDuo You
If the result data type is decimal, the Average will first calculate the result
using precison and scale of divide, then cast to the result data type. Ideally,
we can save this cast by returning the result data type directly.
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