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https://issues.apache.org/jira/browse/CALCITE-6569?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Mihai Budiu resolved CALCITE-6569.
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Fix Version/s: 1.38.0
Resolution: Fixed
Fixed in
https://github.com/apache/calcite/commit/644e29f867dd1d7a8117fecf5f30c0e1fd3a7091
Thank you for the contribution [~jiajunbernoulli] and for the reviews
[~caicancai][~suibianwanwan3333] github user YiwenWu
> RelToSqlConverter support IGNORE NULLS for window functions
> -----------------------------------------------------------
>
> Key: CALCITE-6569
> URL: https://issues.apache.org/jira/browse/CALCITE-6569
> Project: Calcite
> Issue Type: Bug
> Components: core
> Affects Versions: 1.20.0
> Reporter: Jiajun Xie
> Assignee: Jiajun Xie
> Priority: Major
> Labels: pull-request-available
> Fix For: 1.38.0
>
>
> CALCITE-883(https://issues.apache.org/jira/browse/CALCITE-883) Support
> IGNORE NULLS option for LEAD, LAG, FIRST_VALUE, LAST_VALUE and NTH_VALUE
> window functions.
> But RelToSqlConverter not support them, IGNORE NULLS will be lost.
>
> For example
>
> {code:java}
> SELECT LAG("employee_id", 2) IGNORE NULLS OVER (ORDER BY "hire_date")
> FROM "employee"{code}
>
> It lost `IGNORE NULLS `
> {code:java}
> SELECT LAG("employee_id", 2) OVER (ORDER BY "hire_date")
> FROM "employee"{code}
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