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https://issues.apache.org/jira/browse/HIVE-7314?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Navis updated HIVE-7314:
------------------------
Resolution: Fixed
Fix Version/s: 0.14.0
Status: Resolved (was: Patch Available)
Committed to trunk. Thanks Ashutosh, for the review!
> Wrong results of UDF when hive.cache.expr.evaluation is set
> -----------------------------------------------------------
>
> Key: HIVE-7314
> URL: https://issues.apache.org/jira/browse/HIVE-7314
> Project: Hive
> Issue Type: Bug
> Affects Versions: 0.12.0, 0.13.0, 0.13.1
> Reporter: dima machlin
> Assignee: Navis
> Fix For: 0.14.0
>
> Attachments: HIVE-7314.1.patch.txt
>
>
> It seems that the expression caching doesn't work when using UDF inside
> another UDF or a hive function.
> For example :
> tbl has one row : 'a','b'
> The following query :
> {code:sql} select concat(custUDF(a),' ', custUDF(b)) from tbl; {code}
> returns 'a a'
> seems to cache custUDF(a) and use it for custUDF(b).
> Same query without the concat works fine.
> Replacing the concat with another custom UDF also returns 'a a'
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