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https://issues.apache.org/jira/browse/SPARK-14448?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15229465#comment-15229465
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Apache Spark commented on SPARK-14448:
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User 'tedyu' has created a pull request for this issue:
https://github.com/apache/spark/pull/12225
> Improvements to ColumnVector
> ----------------------------
>
> Key: SPARK-14448
> URL: https://issues.apache.org/jira/browse/SPARK-14448
> Project: Spark
> Issue Type: Improvement
> Components: SQL
> Reporter: Ted Yu
> Priority: Minor
>
> In this issue, two changes are proposed for ColumnVector :
> 1. ColumnVector should be declared as implementing AutoCloseable - it already
> has close() method
> 2. In OnHeapColumnVector#reserveInternal(), we only need to allocate new
> array when existing array is null or the length of existing array is shorter
> than the newCapacity.
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