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https://issues.apache.org/jira/browse/SPARK-33443?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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jiaan.geng updated SPARK-33443:
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Description: The current implement of LEAD/LAG don't support IGNORE/RESPECT
NULLS, but the mainstream database support this syntax. (was: The current
implement of LEAD/LAG could not support IGNORE/RESPECT NULLS, but the
mainstream database support this syntax.)
> LEAD/LAG should support [ IGNORE NULLS | RESPECT NULLS ]
> --------------------------------------------------------
>
> Key: SPARK-33443
> URL: https://issues.apache.org/jira/browse/SPARK-33443
> Project: Spark
> Issue Type: Sub-task
> Components: SQL
> Affects Versions: 3.1.0
> Reporter: jiaan.geng
> Priority: Major
>
> The current implement of LEAD/LAG don't support IGNORE/RESPECT NULLS, but the
> mainstream database support this syntax.
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