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From "Pengcheng Xiong (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HIVE-13486) Cast the column type for column masking
Date Wed, 13 Apr 2016 20:24:25 GMT

     [ https://issues.apache.org/jira/browse/HIVE-13486?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Pengcheng Xiong updated HIVE-13486:
-----------------------------------
    Affects Version/s: 2.0.0

> Cast the column type for column masking
> ---------------------------------------
>
>                 Key: HIVE-13486
>                 URL: https://issues.apache.org/jira/browse/HIVE-13486
>             Project: Hive
>          Issue Type: Sub-task
>          Components: Security
>    Affects Versions: 2.0.0
>            Reporter: Pengcheng Xiong
>            Assignee: Pengcheng Xiong
>             Fix For: 2.1.0
>
>         Attachments: HIVE-13486.01.patch
>
>
> Quoted from [~jdere] "in the case that getCellValueTransformer() returns a constant value
(such as "NULL" to indicate the expression should be null), the resulting data type for that
column ends up becoming the constant value NULL, which is different from the original column's
type. Might want to add a type check somewhere to make sure the transformed expression and
original expression match, or maybe wrap the transformed expression within a CAST to get the
types to match."



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