[jira] [Updated] (DRILL-824) MergingRecordBatch.next() fails to reallocate the outgoing vectors if copyFromSafe returns false

["Venki Korukanti (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/DRILL-824?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Venki Korukanti updated DRILL-824:
----------------------------------

    Attachment: DRILL-824-1.patch

> MergingRecordBatch.next() fails to reallocate the outgoing vectors if copyFromSafe returns false
> ------------------------------------------------------------------------------------------------
>
>                 Key: DRILL-824
>                 URL: https://issues.apache.org/jira/browse/DRILL-824
>             Project: Apache Drill
>          Issue Type: Bug
>            Reporter: Venki Korukanti
>            Assignee: Venki Korukanti
>         Attachments: DRILL-824-1.patch
>
>
> {code}
> public IterOutcome next()
>   while (!pqueue.isEmpty())  {
>     // pop next value from pq and copy to outgoing batch
>     Node node = pqueue.peek(); 
>     if (!copyRecordToOutgoingBatch(node)) {
>       break;
>     }
>     ...
>   }
>   ...
> }
> {code}
> If the {{copyRecordToOutgoingBatch}} fails, we send the current outgoing batch, but we don't reallocate outgoing batch when we reenter {{next}} which leads to DeadBuf exceptions.



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