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https://issues.apache.org/jira/browse/DRILL-304?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14012462#comment-14012462
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Jacques Nadeau commented on DRILL-304:
--------------------------------------
no longer valid
> Implement destroy() method for HyperBatches
> -------------------------------------------
>
> Key: DRILL-304
> URL: https://issues.apache.org/jira/browse/DRILL-304
> Project: Apache Drill
> Issue Type: Task
> Reporter: Ben Becker
>
> Ideally, classes like AbstractSingleRecordBatch() should call
> container.clear() to decrement the reference count of the incoming
> ValueVectors before calling next() on the upstream operator. There is an
> issue with HyperBatches in this case though; the underlying ValueVectors
> should not be freed implicitly. That is, the operator should only clear the
> vectors when the entire HyperBatch has been consumed.
> It has been suggested that a destroy() method be used to handle the
> HyperBatch case.
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