[jira] Issue Comment Edited: (DERBY-4968) Let query stop execution if an interrupt is seen, at same time as we check the query timeout

["Dag H. Wanvik (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/DERBY-4968?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12980320#action_12980320 ] 

Dag H. Wanvik edited comment on DERBY-4968 at 1/12/11 12:41 PM:
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Attaching a patch which lets checkCancellationFlag throw SQLState.CONN_INTERRUPT (the thread's interrupt flag is also set).

The exception was generated at the time the interrupt was seen so the stack trace would show exactly when this was picked up. Possibly we should wrap it in another to show that we are throwing in checkCancellationFlag.


      was (Author: dagw):
    Attaching a patch which lets checkCancellationFlag throw SQLState.CONN_INTERRUPT
(generated at the time the interrupt was seen so the stack trace would show exactly when this was picked up). Possibly we should wrap it in another to show that we are throwing in checkCancellationFlag.

  
> Let query stop execution if an interrupt is seen, at same time as we check the query timeout
> --------------------------------------------------------------------------------------------
>
>                 Key: DERBY-4968
>                 URL: https://issues.apache.org/jira/browse/DERBY-4968
>             Project: Derby
>          Issue Type: Improvement
>          Components: Store
>            Reporter: Dag H. Wanvik
>            Assignee: Dag H. Wanvik
>             Fix For: 10.8.0.0
>
>         Attachments: derby-4968-1.diff, derby-4968-1.stat
>
>
> Subtask of DERBY-4741. 
> In BasicNoPutResultSetImpl#checkCancellationFlag we currently check whether a statement has been canceled or it timed out at certain times during query execution. We would like an interrupt seen during execution hitherto to also throw at this point. Cf the way we also stop execution of batches if a batch element sees an interrupt.

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