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Posted to issues@calcite.apache.org by "Volodymyr Vysotskyi (JIRA)" <ji...@apache.org> on 2018/06/23 16:43:00 UTC
[jira] [Updated] (CALCITE-2323) The configuration parameter
"defaultNullCollation" which enum NullCollation { LOW, HIGH, FIRST, LAST }
to allow alternative policies, but it can't take effect for over();
[ https://issues.apache.org/jira/browse/CALCITE-2323?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Volodymyr Vysotskyi updated CALCITE-2323:
-----------------------------------------
Fix Version/s: 1.17.0
> The configuration parameter "defaultNullCollation" which enum NullCollation { LOW, HIGH, FIRST, LAST } to allow alternative policies, but it can't take effect for over();
> --------------------------------------------------------------------------------------------------------------------------------------------------------------------------
>
> Key: CALCITE-2323
> URL: https://issues.apache.org/jira/browse/CALCITE-2323
> Project: Calcite
> Issue Type: Bug
> Components: core
> Reporter: John Fang
> Assignee: Julian Hyde
> Priority: Major
> Fix For: 1.17.0
>
>
> For example, the following query:
> *select deptno, rank() over(partition by empno order by deptno) from emp order by row_number() over(partition by empno order by deptno.*
> The default null order is nulls last for deptno in calcite. But the null order still is nulls last if we set the parameter "defaultNullCollation" with NullCollation.LOW.
>
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