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Posted to issues@hive.apache.org by "Matt McCline (JIRA)" <ji...@apache.org> on 2016/02/04 00:09:39 UTC

[jira] [Commented] (HIVE-12950) get rid of the NullScan emptyFile madness (part 1 - at least for Tez and LLAP)

    [ https://issues.apache.org/jira/browse/HIVE-12950?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15131337#comment-15131337 ] 

Matt McCline commented on HIVE-12950:
-------------------------------------

I see that OneNullRowInputFormat now has the marker interface VectorizedInputFormatInterface so the Vectorizer class will recognize it.

And, NullRowsInputFormat has new method makeNullVrb.

Does the vectorized row batch created by VectorizedRowBatchCtx.createVectorizedRowBatch have null columns for those column not in columnsToIncludeTruncated?  Should that be a Preconditions.checkState in the for loop in makeNullVrb?

> get rid of the NullScan emptyFile madness (part 1 - at least for Tez and LLAP)
> ------------------------------------------------------------------------------
>
>                 Key: HIVE-12950
>                 URL: https://issues.apache.org/jira/browse/HIVE-12950
>             Project: Hive
>          Issue Type: Improvement
>            Reporter: Sergey Shelukhin
>            Assignee: Sergey Shelukhin
>         Attachments: HIVE-12950.01.patch, HIVE-12950.02.patch, HIVE-12950.patch
>
>




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