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https://issues.apache.org/jira/browse/IMPALA-8096?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Pooja Nilangekar resolved IMPALA-8096.
--------------------------------------
       Resolution: Fixed
    Fix Version/s: Impala 3.2.0

> Limit on #rows returned from query
> ----------------------------------
>
>                 Key: IMPALA-8096
>                 URL: https://issues.apache.org/jira/browse/IMPALA-8096
>             Project: IMPALA
>          Issue Type: Sub-task
>          Components: Backend
>            Reporter: Tim Armstrong
>            Assignee: Pooja Nilangekar
>            Priority: Major
>              Labels: resource-management
>             Fix For: Impala 3.2.0
>
>
> Sometimes users accidentally run queries that return a large number of rows, 
> e.g.
> {code}
> SELECT * FROM table
> {code}
> When they really only need to look at a subset of the rows. It would be 
> useful to have a guardrail to fail queries the return more rows than a 
> particular limit. Maybe it would make sense to integrate with IMPALA-4268 so 
> that the query is failed when the buffer fills up, but it may also be useful 
> to have an easier-to-understand option based on #rows.



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