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Posted to issues@hive.apache.org by "Gopal V (JIRA)" <ji...@apache.org> on 2016/02/20 06:10:18 UTC

[jira] [Reopened] (HIVE-13021) GenericUDAFEvaluator.isEstimable(agg) always returns false

     [ https://issues.apache.org/jira/browse/HIVE-13021?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Gopal V reopened HIVE-13021:
----------------------------

> GenericUDAFEvaluator.isEstimable(agg) always returns false
> ----------------------------------------------------------
>
>                 Key: HIVE-13021
>                 URL: https://issues.apache.org/jira/browse/HIVE-13021
>             Project: Hive
>          Issue Type: Bug
>          Components: UDF
>    Affects Versions: 1.2.1
>            Reporter: Sergey Zadoroshnyak
>            Assignee: Gopal V
>            Priority: Critical
>              Labels: Performance
>             Fix For: 1.3.0, 2.1.0
>
>         Attachments: HIVE-13021.1.patch, HIVE-13021.addendum.patch
>
>
> GenericUDAFEvaluator.isEstimable(agg) always returns false, because annotation AggregationType has default RetentionPolicy.CLASS and cannot be retained by the VM at run time.
> As result estimate method will never be executed.



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