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From "Jitendra Nath Pandey (JIRA)" <>
Subject [jira] [Updated] (HIVE-4534) IsNotNull and NotCol incorrectly handle nulls.
Date Mon, 20 May 2013 23:21:16 GMT


Jitendra Nath Pandey updated HIVE-4534:

    Attachment: HIVE-4534.2.patch

Attached patch has additional unit tests, could not create review board entry because this
patch is on top of HIVE-4472 patch.
> IsNotNull and NotCol incorrectly handle nulls.
> ----------------------------------------------
>                 Key: HIVE-4534
>                 URL:
>             Project: Hive
>          Issue Type: Sub-task
>            Reporter: Eric Hanson
>            Assignee: Jitendra Nath Pandey
>         Attachments: HIVE-4534.1.patch, HIVE-4534.2.patch
> See file in package org.apache.hadoop.hive.ql.exec.vector.expressions
> It never looks at the noNulls flag on the input vector, but accesses the isNull[] array
anyway. This can yield incorrect results.
> isRepeating and noNulls are not set in the output, which can also cause wrong results.

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