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https://issues.apache.org/jira/browse/HIVE-19138?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16431356#comment-16431356
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Jason Dere commented on HIVE-19138:
-----------------------------------

RB at https://reviews.apache.org/r/66516/
[~gopalv] [~djaiswal] can you take a look?

> Results cache: allow queries waiting on pending cache entries to check cache 
> again if pending query fails
> ---------------------------------------------------------------------------------------------------------
>
>                 Key: HIVE-19138
>                 URL: https://issues.apache.org/jira/browse/HIVE-19138
>             Project: Hive
>          Issue Type: Sub-task
>            Reporter: Jason Dere
>            Assignee: Jason Dere
>            Priority: Major
>         Attachments: HIVE-19138.1.patch
>
>
> HIVE-18846 allows the results cache to refer to currently executing queries 
> so that another query can wait for these results to become ready in the 
> results cache. If the pending query fails then Hive will automatically skip 
> the cache and do the full query compilation. Make a fix here so that if the 
> pending query fails, Hive will still try to check the cache again in case the 
> cache has another cached/pending result that can be used to answer the query.



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