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https://issues.apache.org/jira/browse/HIVE-7306?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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skrho updated HIVE-7306:
------------------------
Attachment: HIVE-7306.patch
Here is my patch.. I changed null checker position to effect null check..
> Ineffective null check in
> GenericUDAFAverage#GenericUDAFAverageEvaluatorDouble#getNextResult()
> ----------------------------------------------------------------------------------------------
>
> Key: HIVE-7306
> URL: https://issues.apache.org/jira/browse/HIVE-7306
> Project: Hive
> Issue Type: Bug
> Affects Versions: 0.13.1
> Reporter: Ted Yu
> Priority: Minor
> Labels: patch
> Attachments: HIVE-7306.patch
>
>
> {code}
> Object[] o = ss.intermediateVals.remove(0);
> Double d = o == null ? 0.0 : (Double) o[0];
> r = r == null ? null : r - d;
> cnt = cnt - ((Long) o[1]);
> {code}
> Array o is accessed without null check in the last line above.
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