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https://issues.apache.org/jira/browse/CALCITE-883?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16800399#comment-16800399
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Chunwei Lei edited comment on CALCITE-883 at 3/25/19 4:25 AM:
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[~zhztheplayer] As far as I see, I am afraid that your proposal may can not
work(Maybe I am wrong). Would you mind sharing some code? It may help us to
agree upon which way is best. Thanks.
was (Author: chunwei lei):
As far as I see, I am afraid that your proposal may can not work. Would you
mind sharing some code? It may help us to agree upon which way is best. Thanks.
> Support RESPECT NULLS, IGNORE NULLS option for LEAD, LAG, FIRST_VALUE,
> LAST_VALUE 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: Chunwei Lei
> Priority: Major
> Labels: pull-request-available
> Time Spent: 1h 20m
> Remaining Estimate: 0h
>
> 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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