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Posted to issues@calcite.apache.org by "Chunwei Lei (JIRA)" <ji...@apache.org> on 2019/03/22 02:30:00 UTC

[jira] [Updated] (CALCITE-2729) Introducing WindowReduceExpressionRule

     [ https://issues.apache.org/jira/browse/CALCITE-2729?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Chunwei Lei updated CALCITE-2729:
---------------------------------
    Summary: Introducing WindowReduceExpressionRule  (was: Introducing WindowExpressionRules)

> Introducing WindowReduceExpressionRule
> --------------------------------------
>
>                 Key: CALCITE-2729
>                 URL: https://issues.apache.org/jira/browse/CALCITE-2729
>             Project: Calcite
>          Issue Type: Bug
>            Reporter: Chunwei Lei
>            Assignee: Chunwei Lei
>            Priority: Major
>              Labels: pull-request-available
>          Time Spent: 40m
>  Remaining Estimate: 0h
>
> Introducing WindowExpressionRules, for example:
> select sum(sal) over (partition by deptno order by sal) from src where sal=5000
> can be reduced to 
> select sum(5000) over (partition by deptno) from src where sal=5000



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