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Posted to issues@calcite.apache.org by "ASF GitHub Bot (Jira)" <ji...@apache.org> on 2024/09/10 12:26:00 UTC
[jira] [Updated] (CALCITE-6569) RelToSqlConverter support IGNORE NULLS for window functions
[ https://issues.apache.org/jira/browse/CALCITE-6569?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
ASF GitHub Bot updated CALCITE-6569:
------------------------------------
Labels: pull-request-available (was: )
> 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
>
> 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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