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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 reassigned IMPALA-8096:
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Assignee: Pooja Nilangekar
> 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
>
> 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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