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https://issues.apache.org/jira/browse/CALCITE-883?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16793415#comment-16793415
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Chunwei Lei commented on CALCITE-883:
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I opened a PR: https://github.com/apache/calcite/pull/1108.
Any comment will be appreciated.
> RESPECT NULLS, IGNORE NULLS option for LEAD, LAG window functions
> -----------------------------------------------------------------
>
> Key: CALCITE-883
> URL: https://issues.apache.org/jira/browse/CALCITE-883
> Project: Calcite
> Issue Type: Bug
> Components: core
> Reporter: Sean Hsuan-Yi Chu
> Assignee: Sean Hsuan-Yi Chu
> Priority: Major
>
> This issue was brought up in Drill community:
> (https://issues.apache.org/jira/browse/DRILL-3597)
> For convenience, I copied and pasted the reporter Khurram Faraaz's
> description here:
> "The SQL standard defines a RESPECT NULLS or IGNORE NULLS option for lead,
> lag, first_value, and last_value window functions."
> In Calcite, we should have been able to recognized this option.
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