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Posted to issues@drill.apache.org by "Arina Ielchiieva (Jira)" <ji...@apache.org> on 2019/10/23 13:31:00 UTC

[jira] [Assigned] (DRILL-4527) Remove unnecessary code: DrillAvgVarianceConvertlet.java

     [ https://issues.apache.org/jira/browse/DRILL-4527?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Arina Ielchiieva reassigned DRILL-4527:
---------------------------------------

    Assignee: Igor Guzenko  (was: MinJi Kim)

> Remove unnecessary code:  DrillAvgVarianceConvertlet.java
> ---------------------------------------------------------
>
>                 Key: DRILL-4527
>                 URL: https://issues.apache.org/jira/browse/DRILL-4527
>             Project: Apache Drill
>          Issue Type: Bug
>          Components:  Server
>            Reporter: MinJi Kim
>            Assignee: Igor Guzenko
>            Priority: Major
>
> DrillConvertletTable is used as a way to have custom functions.  For example, for EXTRACT(), DrilLConvertletTable.get() returns DrillExtractConvertlet, which returns a custom RexNode for the extract function.  
> On the other hand, DrillAvgVarianceConvertlet is never used.  stddev/avg/variance functions are handled by DrillAggregateRule and DrillReduceAggregatesRule.



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