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https://issues.apache.org/jira/browse/HIVE-1662?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13595482#comment-13595482
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Joydeep Sen Sarma commented on HIVE-1662:
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question - Utilities.getInputSummary() doesn't go through CHIF AFAIK (looking
at 0.8 code). will reducer estimation work with this patch?
> Add file pruning into Hive.
> ---------------------------
>
> Key: HIVE-1662
> URL: https://issues.apache.org/jira/browse/HIVE-1662
> Project: Hive
> Issue Type: New Feature
> Reporter: He Yongqiang
> Assignee: Navis
> Attachments: HIVE-1662.D8391.1.patch, HIVE-1662.D8391.2.patch
>
>
> now hive support filename virtual column.
> if a file name filter presents in a query, hive should be able to only add
> files which passed the filter to input paths.
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