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Posted to issues@hive.apache.org by "Sergey Zadoroshnyak (JIRA)" <ji...@apache.org> on 2016/02/09 17:25:18 UTC
[jira] [Updated] (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 ]
Sergey Zadoroshnyak updated HIVE-13021:
---------------------------------------
Priority: Critical (was: Major)
> 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
>
> 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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