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https://issues.apache.org/jira/browse/SPARK-30266?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Wenchen Fan reassigned SPARK-30266:
-----------------------------------
Assignee: Kent Yao
> Int overflow and MatchError in ApproximatePercentile
> -----------------------------------------------------
>
> Key: SPARK-30266
> URL: https://issues.apache.org/jira/browse/SPARK-30266
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Affects Versions: 2.4.4, 3.0.0
> Reporter: Kent Yao
> Assignee: Kent Yao
> Priority: Major
>
> accuracyExpression can accept Long which may cause overflow error.
> accuracyExpression can accept fractions which are implicitly floored.
> accuracyExpression can accept null which is implicitly changed to 0.
> percentageExpression can accept null but cause MatchError.
> percentageExpression can accept ArrayType(_, nullable=true) in which the
> nulls are implicitly changed to zeros.
>
>
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