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From "Hyunsik Choi (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (TAJO-182) Comparison of primitive values including null value should return NULL.
Date Sat, 21 Dec 2013 10:26:09 GMT

     [ https://issues.apache.org/jira/browse/TAJO-182?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Hyunsik Choi updated TAJO-182:
------------------------------

    Attachment: TAJO-182_2.patch

I've uploaded the second patch. It resolved three valued logic for AND and OR, and other problems
caused by the change.

> Comparison of primitive values including null value should return NULL.
> -----------------------------------------------------------------------
>
>                 Key: TAJO-182
>                 URL: https://issues.apache.org/jira/browse/TAJO-182
>             Project: Tajo
>          Issue Type: Bug
>          Components: planner/optimizer
>            Reporter: Hyunsik Choi
>            Assignee: Hyunsik Choi
>            Priority: Critical
>             Fix For: 0.8-incubating
>
>         Attachments: TAJO-182.patch, TAJO-182_2.patch
>
>
> -If some domain value is compared to Null value, the current implementation will cause
InvalidOperationException. Such cases should result in 'false'.-
> If some domain value is compared to Null value, the current implementation will cause
either InvalidOperationException or FALSE. Such cases should result in NULL.



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