[jira] [Work started] (HIVE-4592) ColumnArithmeticColumn.txt template never sets output isNull to true; can give wrong results

["Eric Hanson (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HIVE-4592?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Work on HIVE-4592 started by Eric Hanson.

> ColumnArithmeticColumn.txt template never sets output isNull to true; can give wrong results
> --------------------------------------------------------------------------------------------
>
>                 Key: HIVE-4592
>                 URL: https://issues.apache.org/jira/browse/HIVE-4592
>             Project: Hive
>          Issue Type: Sub-task
>    Affects Versions: vectorization-branch
>            Reporter: Eric Hanson
>            Assignee: Eric Hanson
>             Fix For: vectorization-branch
>
>
> ColumnArithmeticColumn.txt should set the output column's noNulls flag to true if neither input column has nulls, but it does not do that. This can lead to wrong results is the noNulls was set to false in a previous use of the batch.

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