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https://issues.apache.org/jira/browse/SPARK-18870?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Tathagata Das updated SPARK-18870:
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Affects Version/s: 2.0.2
Target Version/s: 2.1.0
Component/s: Structured Streaming
> Distinct aggregates give incorrect answers on streaming dataframes
> ------------------------------------------------------------------
>
> Key: SPARK-18870
> URL: https://issues.apache.org/jira/browse/SPARK-18870
> Project: Spark
> Issue Type: Bug
> Components: Structured Streaming
> Affects Versions: 2.0.2
> Reporter: Tathagata Das
> Assignee: Tathagata Das
> Priority: Blocker
>
> Unsupported operations checking dont check whether AggregationExpression have
> isDistinct=true. So `streamingDf.groupBy().agg(countDistinct("key")) ` gives
> incorrect results.
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