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https://issues.apache.org/jira/browse/DRILL-3493?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14740991#comment-14740991
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Deneche A. Hakim commented on DRILL-3493:
-----------------------------------------
Depends on what you want to test. Throwing exception won't be helpful for
testing query cancellation.
> Alter session command with an option to cancel query in a particular phase of
> execution
> ---------------------------------------------------------------------------------------
>
> Key: DRILL-3493
> URL: https://issues.apache.org/jira/browse/DRILL-3493
> Project: Apache Drill
> Issue Type: New Feature
> Components: Execution - Flow
> Reporter: Victoria Markman
> Assignee: Deneche A. Hakim
> Priority: Blocker
> Fix For: 1.3.0
>
>
> This proposal is to implement:
> "alter session cancel <execution phase> = true|false".
> where <execution phase> is an entry point for query cancellation, like say
> "sort" or "disk based sort" , etc.
> When this option is set, if query reaches this point, forman would issue
> cancel.
> This way: we can easily test correctness of query cancellation in different
> types of queries.
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